User:Benwing2/test-is-ndecl-m-3

masculine strong part 3

words with pl in -ir

words in -ur

dat-/-, gen in -s: alur (“awl”) (dat pl ölum), bolur (“trunk; fuselage; undershirt”), dalur (“valley”) (dat pl dölum), falur (“ferrule, socket”), glæpur (“crime”), gripur (“thing; farm animal”), hagur (“position, advantage”), halur (“man (poetic)”), hamur (“skin; shape”), hvalur (“whale”), líkamur (“body”) (rarer variant of líkami, esp. in fixed expressions; dat pl líkömum), limur (“limb”), lýður (“people, crowd, mass”), malur (“knapsack, satchel”), seiður (“witchcraft”), selur (“seal (animal)”), slagur (“battle; trick (at cards)”), stafur (“staff, stick; letter”), sveipur (“eddy; gust”), svipur (“appearance; ghost”), sægur (“crowd”) (NOTE: Thomson claims sægur has -j- infix)

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Declension of selur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	selur	selurinn	selir	selirnir
accusative	sel	selinn	seli	selina
dative	sel	selnum	selum	selunum
genitive	sels	selsins	sela	selanna

dat-/-, gen in -s: keppur (“cudgel; sausage”), kippur (“jerk, pull, wrench”)

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Declension of keppur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	keppur	keppurinn	keppir	keppirnir
accusative	kepp	keppinn	keppi	keppina
dative	kepp	keppnum	keppum	keppunum
genitive	kepps	keppsins	keppa	keppanna

dat-/i, gen in -s: stynur (“sigh, groan (archaic)”), þytur (“whistle, whiz”) (NOTE: Thomson claims stynur and þytur have -j- infix)

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Declension of selur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	selur	selurinn	selir	selirnir
accusative	sel	selinn	seli	selina
dative	sel	selinum	selum	selunum
genitive	sels	selsins	sela	selanna

dat-/-, gen in -s, sg-only: dugur (“energy, ability”); Thomson claims -ir plural

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Declension of dugur (sg-only masculine)

	singular
	indefinite	definite
nominative	dugur	dugurinn
accusative	dug	duginn
dative	dug	dugnum
genitive	dugs	dugsins

dat-/i, gen in -s, sg-only: grunur (“suspicion”); Thomson claims -ir plural and gen in -ar

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Declension of grunur (sg-only masculine)

	singular
	indefinite	definite
nominative	grunur	grunurinn
accusative	grun	gruninn
dative	grun	gruninum
genitive	gruns	grunsins

dat-:i/i, gen in -s: hlynur (“maple”), kvittur (“rumor”), skerfur (“share, portion”)

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Declension of hlynur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hlynur	hlynurinn	hlynir	hlynirnir
accusative	hlyn	hlyninn	hlyni	hlynina
dative	hlyn, hlyni	hlyninum	hlynum	hlynunum
genitive	hlyns	hlynsins	hlyna	hlynanna

dat-:i/i, gen in -s, sg-only: hvinur (“whiz, whistling”)

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Declension of hvinur (sg-only masculine)

	singular
	indefinite	definite
nominative	hvinur	hvinurinn
accusative	hvin	hvininn
dative	hvin, hvini	hvininum
genitive	hvins	hvinsins

dat-/i, gen in -s: skvettur (“dash, splash”); FIXME: dat sg skvett may be a mistake for skvetti

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Declension of skvettur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	skvettur	skvetturinn	skvettir	skvettirnir
accusative	skvett	skvettinn	skvetti	skvettina
dative	skvett	skvettinum	skvettum	skvettunum
genitive	skvetts	skvettsins	skvetta	skvettanna

dat-/i, gen in -s: nefur (“scoundrel (pejorative, regional)”)

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Declension of nefur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	nefur	nefurinn	nefir	nefirnir
accusative	nef	nefinn	nefi	nefina
dative	nef	nefinum	nefum	nefunum
genitive	nefs	nefsins	nefa	nefanna

dat-/i, gen in -s: langnefur (“narrownose chimaera (Harriotta raleighana, a shark-like fish)”)

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Declension of langnefur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	langnefur	langnefurinn	langnefir	langnefirnir
accusative	langnef	langnefinn	langnefi	langnefina
dative	langnef	langnefinum	langnefjum	langnefjunum
genitive	langnefs	langnefsins	langnefja	langnefjanna

dat-:i/-, gen in -s: kliður (“clatter; twittering”), melur (“twat, dumbass (term of abuse)”), smiður (“smith”)

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Declension of kliður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kliður	kliðurinn	kliðir	kliðirnir
accusative	klið	kliðinn	kliði	kliðina
dative	klið, kliði	kliðnum	kliðum	kliðunum
genitive	kliðs	kliðsins	kliða	kliðanna

dati:-/-, gen in -s, pl in -ar contra Thomson: búkur (“body, trunk”)

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Declension of búkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	búkur	búkurinn	búkar	búkarnir
accusative	búk	búkinn	búka	búkana
dative	búki, búk	búknum	búkum	búkunum
genitive	búks	búksins	búka	búkanna

dati:-/i, gen in -s: pyttur (“pool, cesspool”)

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Declension of pyttur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	pyttur	pytturinn	pyttir	pyttirnir
accusative	pytt	pyttinn	pytti	pyttina
dative	pytti, pytt	pyttinum	pyttum	pyttunum
genitive	pytts	pyttsins	pytta	pyttanna

dati:-/-:i, gen in -s: sjóður (“treasure; fund”)

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Declension of sjóður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	sjóður	sjóðurinn	sjóðir	sjóðirnir
accusative	sjóð	sjóðinn	sjóði	sjóðina
dative	sjóði, sjóð	sjóðnum, sjóðinum	sjóðum	sjóðunum
genitive	sjóðs	sjóðsins	sjóða	sjóðanna

dat-/-:i, gen in -s: grís (“young hog”) (NOTE: no -ur ending)

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Declension of grís (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	grís	grísinn	grísir	grísirnir
accusative	grís	grísinn	grísi	grísina
dative	grís	grísnum, grísinum	grísum	grísunum
genitive	gríss	gríssins	grísa	grísanna

dati/i, gen in -s: blettur (“mark, stain; piece of ground”), brestur (“break, crack; lack”), gestur (“guest”), guð (“god”) (NOTE: no -ur ending), gustur (“gust”), hvellur (“crack, bang”), prettur (“deceit, fraud”), skellur (“bang, clash”), smellur (“bang, crack”), sprettur (“sprint, run”), sullur (“cyst, boil”), svanur (“swan”)

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Declension of blettur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	blettur	bletturinn	blettir	blettirnir
accusative	blett	blettinn	bletti	blettina
dative	bletti	blettinum	blettum	blettunum
genitive	bletts	blettsins	bletta	blettanna

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Declension of guð (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	guð	guðinn	guðir	guðirnir
accusative	guð	guðinn	guði	guðina
dative	guði	guðinum	guðum	guðunum
genitive	guðs	guðsins	guða	guðanna

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Declension of svanur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	svanur	svanurinn	svanir	svanirnir
accusative	svan	svaninn	svani	svanina
dative	svani	svaninum	svönum	svönunum
genitive	svans	svansins	svana	svananna

dati/i, gen in -s, sg-only: sollur (“carousal, revelry”); Thomson claims -ir plural

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Declension of sollur (sg-only masculine)

	singular
	indefinite	definite
nominative	sollur	sollurinn
accusative	soll	sollinn
dative	solli	sollinum
genitive	solls	sollsins

dat-/-, gen in -ar: hlutur (“thing; lot”), litur (“color”), salur (“hall”), staður (“place”), þulur (“announcer”)

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Declension of hlutur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hlutur	hluturinn	hlutir	hlutirnir
accusative	hlut	hlutinn	hluti	hlutina
dative	hlut	hlutnum	hlutum	hlutunum
genitive	hlutar	hlutarins	hluta	hlutanna

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Declension of staður (masculine, based on staður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	staður	staðurinn	staðir	staðirnir
accusative	stað	staðinn	staði	staðina
dative	stað	staðnum	stöðum	stöðunum
genitive	staðar	staðarins	staða	staðanna

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Declension of bústaður (masculine, based on staður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bústaður	bústaðurinn	bústaðir	bústaðirnir
accusative	bústað	bústaðinn	bústaði	bústaðina
dative	bústað	bústaðnum	bústöðum	bústöðunum
genitive	bústaðar	bústaðarins	bústaða	bústaðanna

dat-:i/i, gen in -ar: munur (“thing, difference”)

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Declension of munur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	munur	munurinn	munir	munirnir
accusative	mun	muninn	muni	munina
dative	mun, muni	muninum	munum	mununum
genitive	munar	munarins	muna	munanna

pl-only: fjármunir (“goods, property”); also geðsmunir (“temperament, temper”), skapsmunir (“temperament, temper”)

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Declension of fjármunir (pl-only masculine)

	plural
	indefinite	definite
nominative	fjármunir	fjármunirnir
accusative	fjármuni	fjármunina
dative	fjármunum	fjármununum
genitive	fjármuna	fjármunanna

dati:-/i, gen in -ar: verður (“meal”), vinur (“friend”) (also appears as vin)

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Declension of verður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	verður	verðurinn	verðir	verðirnir
accusative	verð	verðinn	verði	verðina
dative	verði, verð	verðinum	verðum	verðunum
genitive	verðar	verðarins	verða	verðanna

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Declension of vin (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vin	vininn	vinir	vinirnir
accusative	vin	vininn	vini	vinina
dative	vini, vin	vininum	vinum	vinunum
genitive	vinar	vinarins	vina	vinanna

dat-:i/-:i, gen in -ar: kviður (“belly; jury”), viður (“timber”)

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Declension of kviður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kviður	kviðurinn	kviðir	kviðirnir
accusative	kvið	kviðinn	kviði	kviðina
dative	kvið, kviði	kviðnum, kviðinum	kviðum	kviðunum
genitive	kviðar	kviðarins	kviða	kviðanna

dati/i, gen in -ar: burður (“load; birth”), dögurður (“breakfast”), feldur (“fur, coat”), fundur (“finding; meeting”), lundur (“grove”), réttur (“right; law court; dish, course”), skurður (“cut, trench”), stuldur (“theft”), vættur (“supernatural being”) (also feminine)

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Declension of fundur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fundur	fundurinn	fundir	fundirnir
accusative	fund	fundinn	fundi	fundina
dative	fundi	fundinum	fundum	fundunum
genitive	fundar	fundarins	funda	fundanna

dati/i, gen in -ar, sg-only: mundur (“dowry”); Thomson claims -ir plural

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Declension of mundur (sg-only masculine)

	singular
	indefinite	definite
nominative	mundur	mundurinn
accusative	mund	mundinn
dative	mundi	mundinum
genitive	mundar	mundarins

pl-only: Fljótsdælir (“inhabitants of Fljótsdalur (a valley)”)

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Declension of Fljótsdælir (pl-only masculine)

indefinite plural
nominative	Fljótsdælir
accusative	Fljótsdæli
dative	Fljótsdælum
genitive	Fljótsdæla

pl-only, needs unimut: Brattavellir (town name)

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Declension of Brattavellir (pl-only masculine)

indefinite plural
nominative	Brattavellir
accusative	Brattavelli
dative	Brattavöllum
genitive	Brattavalla

pl-only, needs unimut, has definite forms: Ásmegir (“sons of the Gods”)

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Declension of Ásmegir (pl-only masculine)

	plural
	indefinite	definite
nominative	Ásmegir	Ásmegirnir
accusative	Ásmegi	Ásmegina
dative	Ásmögum	Ásmögunum
genitive	Ásmaga	Ásmaganna

pl-only: Stekkir/Stekkar (place name)

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Declension of Stekkir, Stekkar (pl-only masculine)

indefinite plural
nominative	Stekkir, Stekkar
accusative	Stekki, Stekka
dative	Stekkjum, Stekkum
genitive	Stekkja, Stekka

pl-only, needs unimut and imutval specified: Vestfirðir (“Westfjords”)

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Declension of Vestfirðir (pl-only masculine)

indefinite plural
nominative	Vestfirðir
accusative	Vestfirði
dative	Vestfjörðum
genitive	Vestfjarða

likely unique variants

dat-/-, gen in -s/ar: bragur (“fashion; habit; poem”) (dat pl brögum)

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Declension of bragur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bragur	bragurinn	bragir	bragirnir
accusative	brag	braginn	bragi	bragina
dative	brag	bragnum	brögum	brögunum
genitive	brags, bragar	bragsins, bragarins	braga	braganna

dat-/-, gen in -ar/s: sauður (“sheep, wether”)

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Declension of sauður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	sauður	sauðurinn	sauðir	sauðirnir
accusative	sauð	sauðinn	sauði	sauðina
dative	sauð	sauðnum	sauðum	sauðunum
genitive	sauðar, sauðs¹	sauðarins, sauðsins¹	sauða	sauðanna

¹Extremely rare.

dati/i, gen in -ar/s: kostur (“choice, advantage”)

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Declension of kostur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kostur	kosturinn	kostir	kostirnir
accusative	kost	kostinn	kosti	kostina
dative	kosti	kostinum	kostum	kostunum
genitive	kostar, kosts	kostarins, kostsins	kosta	kostanna

dati/i, gen in -ar/s, accpl in -i/-u: vegur (“way”)

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Declension of vegur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vegur	vegurinn	vegir	vegirnir
accusative	veg	veginn	vegi, vegu¹	vegina
dative	vegi	veginum	vegum	vegunum
genitive	vegar, vegs²	vegarins, vegsins²	vega	veganna

¹Archaic or literary.
²In fixed expressions.

dat-:i/-, gen in -ar/s: vaður (“rope; fishing line”)

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Declension of vaður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vaður	vaðurinn	vaðir	vaðirnir
accusative	vað	vaðinn	vaði	vaðina
dative	vað, vaði	vaðnum	vöðum	vöðunum
genitive	vaðar, vaðs	vaðarins, vaðsins	vaða	vaðanna

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dat-:i/- (see footnote below), gen in -ar/s: liður (“joint, link, item, limb”)

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Declension of liður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	liður	liðurinn	liðir	liðirnir
accusative	lið	liðinn	liði	liðina
dative	lið, liði¹	liðnum	liðum	liðunum
genitive	liðar, liðs	liðarins, liðsins	liða	liðanna

¹Mostly in fixed expressions.

dat-:i/-, gen in -ar/s (see footnote below): tugur (“group of ten or so, dozen”); tigur (variant of tugur)

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Declension of tugur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	tugur	tugurinn	tugir	tugirnir
accusative	tug	tuginn	tugi	tugina
dative	tug, tugi	tugnum	tugum	tugunum
genitive	tugar, tugs¹	tugarins, tugsins¹	tuga	tuganna

¹Sometimes proscribed.

dat-/-, gen in -s, pl in -ir/-ar: reitur (“marked-out area”), skítur (“dirt; excrement”), stígur (“path”)

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Declension of reitur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	reitur	reiturinn	reitir, reitar	reitirnir, reitarnir
accusative	reit	reitinn	reiti, reita	reitina, reitana
dative	reit	reitnum	reitum	reitunum
genitive	reits	reitsins	reita	reitanna

dat-/-, gen in -s, pl in -ar/-ir: stígur (“path”)

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Declension of stígur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	stígur	stígurinn	stígar, stígir	stígarnir, stígirnir
accusative	stíg	stíginn	stíga, stígi	stígana, stígina
dative	stíg	stígnum	stígum	stígunum
genitive	stígs	stígsins	stíga	stíganna

dat-:i/-, gen in -s, pl in -ir/-ar: skutur (“stern”)

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Declension of skutur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	skutur	skuturinn	skutir, skutar	skutirnir, skutarnir
accusative	skut	skutinn	skuti, skuta	skutina, skutana
dative	skut, skuti	skutnum	skutum	skutunum
genitive	skuts	skutsins	skuta	skutanna

dat-:i/-:i, gen in -s, pl in -ir/-ar: sveppur (“fungus, mushroom”)

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Declension of sveppur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	sveppur	sveppurinn	sveppir, sveppar	sveppirnir, svepparnir
accusative	svepp	sveppinn	sveppi, sveppa	sveppina, sveppana
dative	svepp, sveppi	sveppnum, sveppinum	sveppum	sveppunum
genitive	svepps	sveppsins	sveppa	sveppanna

dat-/-, gen in -s, pl in -ir/-ar: refur (“fox”)

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Declension of refur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	refur	refurinn	refir, refar¹	refirnir, refarnir¹
accusative	ref	refinn	refi, refa¹	refina, refana¹
dative	ref	refnum	refum	refunum
genitive	refs	refsins	refa	refanna

¹Obsolete except in set phrases.

dat-/-, gen in -s, pl in -ir/-ar: stigur (“level?”)

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Declension of stigur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	stigur	stigurinn	stigir, stigar¹	stigirnir, stigarnir¹
accusative	stig	stiginn	stigi, stiga, stigu²	stigina, stigana
dative	stig	stignum	stigum	stigunum
genitive	stigs	stigsins	stiga	stiganna

¹Rare, mostly in set phrases.
²In set phrases.

dati/-, gen in -s, pl in -ir/-ar: bugur (“bend, curve”)

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Declension of bugur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bugur	bugurinn	bugir, bugar	bugirnir, bugarnir
accusative	bug	buginn	bugi, buga	bugina, bugana
dative	bugi	bugnum	bugum	bugunum
genitive	bugs	bugsins	buga	buganna

dati/i, gen in -s, pl in -ir/-ar: kvistur (“twig; knot”)

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Declension of kvistur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kvistur	kvisturinn	kvistir, kvistar	kvistirnir, kvistarnir
accusative	kvist	kvistinn	kvisti, kvista	kvistina, kvistana
dative	kvisti	kvistinum	kvistum	kvistunum
genitive	kvists	kvistsins	kvista	kvistanna

dat-:i/i, gen in -s, pl in -ar/-ir: meiður (“pole; tree; sled runner”)

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Declension of meiður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	meiður	meiðurinn	meiðar, meiðir	meiðarnir, meiðirnir
accusative	meið	meiðinn	meiða, meiði	meiðana, meiðina
dative	meið, meiði	meiðinum	meiðum	meiðunum
genitive	meiðs	meiðsins	meiða	meiðanna

dat-/-, gen in -s, acc pl in -u/-i: bur (“son (poetic)”)

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Declension of bur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bur	burinn	burir	burirnir
accusative	bur	burinn	buru¹, buri²	burina²
dative	bur	burnum	burum	burunum
genitive	burs	bursins	bura	buranna

¹Archaic but more common in practice.
²Regular but rare.

dat-/-:i, gen in -ar/-s, acc pl in -i/-u: siður (“custom, habit”)

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Declension of siður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	siður	siðurinn	siðir	siðirnir
accusative	sið	siðinn	siði, siðu¹	siðina
dative	sið	siðnum, siðinum	siðum	siðunum
genitive	siðar, siðs²	siðarins, siðsins²	siða	siðanna

¹In some texts.
²In certain expressions.

dat-/-- (see footnote below; -- indicates a missing form), gen in -ar: hugur (“mind, heart, courage”); FIXME: allow footnote on missing values

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Declension of hugur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hugur	hugurinn	hugir	hugirnir
accusative	hug	huginn	hugi	hugina
dative	hug	—	hugum	hugunum
genitive	hugar	hugarins	huga	huganna

dat:möl/meli, defdat:mölnum/melnum (FIXME: error for melinum?), gen -s, nom pl melir, acc pl meli, dat pl mölum, gen pl missing: mölur (“clothes moth”)

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Declension of mölur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mölur	mölurinn	melir	melirnir
accusative	möl	mölinn	meli	melina
dative	möl, meli	mölnum, melnum	mölum	mölunum
genitive	möls	mölsins	—	—

dat-/-, gen in -s, pl in -ir, optional -j-: smekkur (“taste; bib”); NOTE: -j- infix implies dat-/-, but without -j- infix we would get an error with missing dative, so we need an override

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Declension of smekkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	smekkur	smekkurinn	smekkir	smekkirnir
accusative	smekk	smekkinn	smekki	smekkina
dative	smekk	smekknum	smekkjum, smekkum	smekkjunum, smekkunum
genitive	smekks	smekksins	smekkja, smekka	smekkjanna, smekkanna

NOTE: konur (“man, descendant (poetic)”) not in BÍN; claimed to be dati/i, gen in -ar, pl in -ir

words in -aður, mostly -naður

WORDS IN -naður ARE RECOGNIZED SPECIALLY:
dat i/i:-: fagnaður (“welcome reception”), mannfagnaður (“assembly”) (dat pl mannfögnuðum)

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Declension of fagnaður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fagnaður	fagnaðurinn	fagnaðir	fagnaðirnir
accusative	fagnað	fagnaðinn	fagnaði	fagnaðina
dative	fagnaði	fagnaðinum, fagnaðnum	fögnuðum	fögnuðunum
genitive	fagnaðar	fagnaðarins	fagnaða	fagnaðanna

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Declension of fagnaður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fagnaður	fagnaðurinn	fagnaðir	fagnaðirnir
accusative	fagnað	fagnaðinn	fagnaði	fagnaðina
dative	fagnaði	fagnaðinum, fagnaðnum	fögnuðum	fögnuðunum
genitive	fagnaðar	fagnaðarins	fagnaða	fagnaðanna

dat i/i:-, sg-only: safnaður (“collection”); also batnaður (“betterment”), búnaður (“farming”), dugnaður (“drive, activity”), fatnaður (“clothing”), hagnaður (“profit, benefit”), hugnaður (“liking, pleasure”), iðnaður, jafnaður (“equal distribution”) (mostly in að jafnaði, til jafnaðar), klæðnaður (“clothing”), kostnaður (“cost”), matnaður (“board, feeding”), munaður (“delight, luxury”), skapnaður (“form, shape”), sparnaður (“saving”), trúnaður (“confidence, reliance”), varnaður (“protection; warning”) (mostly used in víti til varnaðar), þrifnaður (“cleanliness; thriving”)

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Declension of safnaður (sg-only masculine)

	singular
	indefinite	definite
nominative	safnaður	safnaðurinn
accusative	safnað	safnaðinn
dative	safnaði	safnaðinum, safnaðnum
genitive	safnaðar	safnaðarins

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Declension of safnaður (sg-only masculine)

	singular
	indefinite	definite
nominative	safnaður	safnaðurinn
accusative	safnað	safnaðinn
dative	safnaði	safnaðinum, safnaðnum
genitive	safnaðar	safnaðarins

dat i/i: fénaður (“sheep; cattle”), lifnaður (“life, conduct”), vefnaður (“weaving; fabric”)

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Declension of fénaður (sg-only masculine)

	singular
	indefinite	definite
nominative	fénaður	fénaðurinn
accusative	fénað	fénaðinn
dative	fénaði	fénaðinum
genitive	fénaðar	fénaðarins

dat i/i: getnaður (“conception; fetus”), skilnaður (“separation, divorce”)

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Declension of getnaður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	getnaður	getnaðurinn	getnaðir	getnaðirnir
accusative	getnað	getnaðinn	getnaði	getnaðina
dative	getnaði	getnaðinum	getnuðum	getnuðunum
genitive	getnaðar	getnaðarins	getnaða	getnaðanna

unaður (“pleasure, delight”)

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Declension of unaður (sg-only masculine)

	singular
	indefinite	definite
nominative	unaður	unaðurinn
accusative	unað	unaðinn
dative	unaði	unaðinum, unaðnum
genitive	unaðar, unaðs	unaðarins, unaðsins

OTHER WORDS IN -aður NEED STANDARD OVERRIDES ETC.. This is because there are too many exceptions (compounds of maður, staður, vaður, etc.). Only words that seem to work like -naður are markaður (although it has 'genar:s') and archaic darraður and giljaður.
markaður (“market”)

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Declension of markaður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	markaður	markaðurinn	markaðir	markaðirnir
accusative	markað	markaðinn	markaði	markaðina
dative	markaði	markaðinum, markaðnum	mörkuðum	mörkuðunum
genitive	markaðar, markaðs	markaðarins, markaðsins	markaða	markaðanna

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Declension of markaður (masculine, based on markaður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	markaður	markaðurinn	markaðir	markaðirnir
accusative	markað	markaðinn	markaði	markaðina
dative	markaði	markaðinum, markaðnum	mörkuðum	mörkuðunum
genitive	markaðar, markaðs	markaðarins, markaðsins	markaða	markaðanna

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Declension of atvinnumarkaður (masculine, based on markaður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	atvinnumarkaður	atvinnumarkaðurinn	atvinnumarkaðir	atvinnumarkaðirnir
accusative	atvinnumarkað	atvinnumarkaðinn	atvinnumarkaði	atvinnumarkaðina
dative	atvinnumarkaði	atvinnumarkaðinum, atvinnumarkaðnum	atvinnumörkuðum	atvinnumörkuðunum
genitive	atvinnumarkaðar, atvinnumarkaðs	atvinnumarkaðarins, atvinnumarkaðsins	atvinnumarkaða	atvinnumarkaðanna

words in -uður

dati/i:-: söfnuður (“congregation”): gen sg söfnuðar/safnaðar, gen pl söfnuða/safnaða; also fögnuður (“rejoicing”)

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Declension of söfnuður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	söfnuður	söfnuðurinn	söfnuðir	söfnuðirnir
accusative	söfnuð	söfnuðinn	söfnuði	söfnuðina
dative	söfnuði	söfnuðinum, söfnuðnum	söfnuðum	söfnuðunum
genitive	söfnuðar, safnaðar	söfnuðarins, safnaðarins	söfnuða, safnaða	söfnuðanna, safnaðanna

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Declension of söfnuður (masculine, based on söfnuður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	söfnuður	söfnuðurinn	söfnuðir	söfnuðirnir
accusative	söfnuð	söfnuðinn	söfnuði	söfnuðina
dative	söfnuði	söfnuðinum, söfnuðnum	söfnuðum	söfnuðunum
genitive	söfnuðar, safnaðar	söfnuðarins, safnaðarins	söfnuða, safnaða	söfnuðanna, safnaðanna

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Declension of trúarsöfnuður (masculine, based on söfnuður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	trúarsöfnuður	trúarsöfnuðurinn	trúarsöfnuðir	trúarsöfnuðirnir
accusative	trúarsöfnuð	trúarsöfnuðinn	trúarsöfnuði	trúarsöfnuðina
dative	trúarsöfnuði	trúarsöfnuðinum, trúarsöfnuðnum	trúarsöfnuðum	trúarsöfnuðunum
genitive	trúarsöfnuðar, trúarsafnaðar	trúarsöfnuðarins, trúarsafnaðarins	trúarsöfnuða, trúarsafnaða	trúarsöfnuðanna, trúarsafnaðanna

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Declension of mannsöfnuður (sg-only masculine, based on söfnuður)

	singular
	indefinite	definite
nominative	mannsöfnuður	mannsöfnuðurinn
accusative	mannsöfnuð	mannsöfnuðinn
dative	mannsöfnuði	mannsöfnuðinum, mannsöfnuðnum
genitive	mannsöfnuðar, mannsafnaðar	mannsöfnuðarins, mannsafnaðarins

dati/i: mánuður (“month”): gen sg mánaðar, gen pl mánaða

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Declension of mánuður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mánuður	mánuðurinn	mánuðir	mánuðirnir
accusative	mánuð	mánuðinn	mánuði	mánuðina
dative	mánuði	mánuðinum	mánuðum	mánuðunum
genitive	mánaðar	mánaðarins	mánaða	mánaðanna

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Declension of mánuður (masculine, based on mánuður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mánuður	mánuðurinn	mánuðir	mánuðirnir
accusative	mánuð	mánuðinn	mánuði	mánuðina
dative	mánuði	mánuðinum	mánuðum	mánuðunum
genitive	mánaðar	mánaðarins	mánaða	mánaðanna

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Declension of meðalmánuður (masculine, based on mánuður)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	meðalmánuður	meðalmánuðurinn	meðalmánuðir	meðalmánuðirnir
accusative	meðalmánuð	meðalmánuðinn	meðalmánuði	meðalmánuðina
dative	meðalmánuði	meðalmánuðinum	meðalmánuðum	meðalmánuðunum
genitive	meðalmánaðar	meðalmánaðarins	meðalmánaða	meðalmánaðanna

dati/i: jöfnuður (“equal distribution”): gen sg jafnaðar/jöfnuðar, sg-only; also söknuður (“regret, longing”)

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Declension of jöfnuður (sg-only masculine)

	singular
	indefinite	definite
nominative	jöfnuður	jöfnuðurinn
accusative	jöfnuð	jöfnuðinn
dative	jöfnuði	jöfnuðinum
genitive	jafnaðar, jöfnuðar¹	jafnaðarins, jöfnuðarins¹

¹Less common, especially in compounds.

For Icelandic base lemma 'jöfnuður', couldn't fetch contents for page; page may not exist

dati/i: frömuður (“promoter”); also hugsuður (“thinker”), könnuður (“investigator”) (alternatives mentioned by Thomson are not in BÍN)

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Declension of frömuður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	frömuður	frömuðurinn	frömuðir	frömuðirnir
accusative	frömuð	frömuðinn	frömuði	frömuðina
dative	frömuði	frömuðinum	frömuðum	frömuðunum
genitive	frömuðar	frömuðarins	frömuða	frömuðanna

For Icelandic base lemma 'frömuður', couldn't fetch contents for page; page may not exist

For Icelandic base lemma 'könnuður', couldn't fetch contents for page; page may not exist

words in -ur with i-mutation

dati/i: háttur (“way, manner”); dat sg hætti, nom pl hættir, acc pl hætti/háttu (def acc pl only hættina, it seems)

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Declension of háttur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	háttur	hátturinn	hættir	hættirnir
accusative	hátt	háttinn	hætti, háttu¹	hættina
dative	hætti	hættinum	háttum	háttunum
genitive	háttar	háttarins	hátta	háttanna

¹Archaic or literary.

dati/i: dráttur (“drawing; delay”); dat sg drætti, nom pl drættir, acc pl drætti; also máttur (“might”), sláttur (“mowing; heartbeat, pulse”), þáttur (“part, factor”)

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Declension of dráttur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	dráttur	drátturinn	drættir	drættirnir
accusative	drátt	dráttinn	drætti	drættina
dative	drætti	drættinum	dráttum	dráttunum
genitive	dráttar	dráttarins	drátta	dráttanna

dati/i: þráður (“thread, wire”)

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Declension of þráður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	þráður	þráðurinn	þræðir	þræðirnir
accusative	þráð	þráðinn	þræði	þræðina
dative	þræði	þræðinum	þráðum	þráðunum
genitive	þráðar	þráðarins	þráða	þráðanna

sonur (“son”) (also son, archaic or literary): dat sg syni, nom pl synir, acc pl syni:sonu but def acc pl only synina; should be handled automatically by rejecting acc pl forms ending in -u

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Declension of sonur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	sonur	sonurinn	synir	synirnir
accusative	son	soninn	syni, sonu¹	synina
dative	syni	syninum	sonum	sonunum
genitive	sonar	sonarins	sona	sonanna

¹Archaic or literary.

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Declension of son (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	son	soninn	synir	synirnir
accusative	son	soninn	syni, sonu¹	synina
dative	syni	syninum	sonum	sonunum
genitive	sonar	sonarins	sona	sonanna

¹Archaic or literary.

dati: Eiríksson (patronymic), Helgason (patronymic), etc.

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Declension of Eiríksson (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Eiríksson	—	Eiríkssynir	—
accusative	Eiríksson	—	Eiríkssyni	—
dative	Eiríkssyni	—	Eiríkssonum	—
genitive	Eiríkssonar	—	Eiríkssona	—

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Declension of Eiríksson (masculine, based on -son)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Eiríksson	—	Eiríkssynir	—
accusative	Eiríksson	—	Eiríkssyni	—
dative	Eiríkssyni	—	Eiríkssonum	—
genitive	Eiríkssonar	—	Eiríkssona	—

spónn (“horn or bone spoon; veneer; (wood) shaving”): dat sg spæni; nom pl spænir

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Declension of spónn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	spónn	spónninn	spænir, spónar¹	spænirnir, spónarnir¹
accusative	spón	spóninn	spæni, spóna¹	spænina, spónana¹
dative	spæni, spóni¹	spæninum, spóninum¹	spónum	spónunum
genitive	spóns, spónar²	spónsins, spónarins²	spóna	spónanna

¹Proscribed.
²Dated.

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Declension of silfurspónn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	silfurspónn	silfurspónninn	silfurspænir	silfurspænirnir
accusative	silfurspón	silfurspóninn	silfurspæni	silfurspænina
dative	silfurspæni	silfurspæninum	silfurspónum	silfurspónunum
genitive	silfurspóns	silfurspónsins	silfurspóna	silfurspónanna

For Icelandic base lemma 'silfurspónn', saw explicit angle bracket spec in inflection, likely indicating a multiword inflection; can't handle yet: ((<m,s:ar,ir.imut.dati>,<m..dati>))

words in -ur with un-u-mutation and i-mutation

köttur (“cat”); dat sg ketti, nom pl kettir, acc pl ketti:köttu, gen sg kattar, gen pl katta; also völlur (“plain”), vöxtur (“growth; (plural) interest”) (ávöxtur (“fruit”))

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Declension of köttur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	köttur	kötturinn	kettir	kettirnir
accusative	kött	köttinn	ketti, köttu¹	kettina
dative	ketti	kettinum	köttum	köttunum
genitive	kattar	kattarins	katta	kattanna

¹Archaic or literary.

böllur (“ball”); also börkur (“bark (of a tree)”), göltur (“boar”) (broddgöltur (“hedgehog, porcupine”)), hnöttur (“globe, sphere”), höttur (“hood”), knöttur (“ball”), köstur (“pile, heap”), löstur (“vice, fault”), mörður (“marten”), svörður (“sward; skin on head”), vöndur (“rod”), vörður (“guard, watch (person or action)”), vöttur (“glove, mitten”), þröstur (“thrush”)

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Declension of böllur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	böllur	böllurinn	bellir	bellirnir
accusative	böll	böllinn	belli	bellina
dative	belli	bellinum	böllum	böllunum
genitive	ballar	ballarins	balla	ballanna

knörr (“ship (poetic)”)

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Declension of knörr (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	knörr	knörrinn	knerrir	knerrirnir
accusative	knörr	knörrinn	knerri	knerrina
dative	knerri	knerrinum	knörrum	knörrunum
genitive	knarrar	knarrarins	knarra	knarranna

örn (“eagle”)

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Declension of örn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	örn	örninn	ernir	ernirnir
accusative	örn	örninn	erni	ernina
dative	erni	erninum	örnum	örnunum
genitive	arnar	arnarins	arna	arnanna

dati/i: flötur (“plane, surface”); also lögur (“liquid”), mögur (“son (poetic)”)

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Declension of flötur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	flötur	flöturinn	fletir	fletirnir
accusative	flöt	flötinn	fleti	fletina
dative	fleti	fletinum	flötum	flötunum
genitive	flatar	flatarins	flata	flatanna

dati/i: knör (“ship (poetic; proscribed)”)

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Declension of knör (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	knör	knörinn	knerir	knerirnir
accusative	knör	knörinn	kneri	knerina
dative	kneri	knerinum	knörum	knörunum
genitive	knarar	knararins	knara	knaranna

Höður (male given name); also Hörður (male given name)

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Declension of Höður (sg-only masculine)

indefinite singular
nominative	Höður
accusative	Höð
dative	Heði
genitive	Haðar

kökkur (“lump, clod, clot”) (more common as kekkur, with -j- insertion)

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Declension of kökkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kökkur	kökkurinn	kekkir	kekkirnir
accusative	kökk	kökkinn	kekki	kekkina
dative	kekki, kökk	kekkinum, kökknum	kökkum	kökkunum
genitive	kakkar¹, kökks²	kakkarins¹, kökksins²	kakka	kakkanna

¹Traditional or modern.
²Modern.

mökkur (“dense cloud (of steam, smoke, dust)”)

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Declension of mökkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	mökkur	mökkurinn	mekkir	mekkirnir
accusative	mökk	mökkinn	mekki	mekkina
dative	mekki, mökk	mekkinum, mökknum	mökkum	mökkunum
genitive	makkar, mökks	makkarins, mökksins	makka	makkanna

spölur (“a short distance”); also völur (“stick”)

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Declension of spölur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	spölur	spölurinn	spelir	spelirnir
accusative	spöl	spölinn	speli	spelina
dative	speli, spöl	spelinum, spölnum	spölum	spölunum
genitive	spalar	spalarins	spala	spalanna

gröftur (“digging; something dug up; pus”); Thomson claims pl forms greftir, grefti, gröftum, graft(r)a; Íslensk stafsetningarorðabók agrees; in the following, we use full overrides to handle the forms with -r- and add a footnote to the entire plural using `addnote`, indicating that it is sometimes proscribed (e.g. not in BÍN)

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Declension of gröftur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	gröftur	gröfturinn	graftar¹	graftarnir¹
accusative	gröft	gröftinn	grafta¹	graftana¹
dative	greftri², grefti³	greftrinum², greftinum³	gröftum¹	gröftunum¹
genitive	graftar², graftrar³	graftarins², graftrarins³	grafta^1,2, graftra^1,3	graftanna^1,2, graftranna^1,3

¹Sometimes proscribed.
²Common.
³Rare.

fornleifauppgröftur (“archaeological excavation”)

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Declension of fornleifauppgröftur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fornleifauppgröftur	fornleifauppgröfturinn	fornleifauppgreftir, fornleifauppgreftrir	fornleifauppgreftirnir, fornleifauppgreftrirnir
accusative	fornleifauppgröft	fornleifauppgröftinn	fornleifauppgrefti, fornleifauppgreftri	fornleifauppgreftina, fornleifauppgreftrina
dative	fornleifauppgrefti, fornleifauppgreftri	fornleifauppgreftinum, fornleifauppgreftrinum	fornleifauppgröftum, fornleifauppgröftrum	fornleifauppgröftunum
genitive	fornleifauppgraftar, fornleifauppgraftrar	fornleifauppgraftarins, fornleifauppgraftrarins	fornleifauppgrafta, fornleifauppgraftra	fornleifauppgraftanna, fornleifauppgraftranna

fjörður (“fjord”): as a special case, i-mutation of <ja> -> <i>; also skjöldur (“shield”)

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Declension of fjörður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fjörður	fjörðurinn	firðir	firðirnir
accusative	fjörð	fjörðinn	firði, fjörðu¹	firðina
dative	firði	firðinum	fjörðum	fjörðunum
genitive	fjarðar	fjarðarins	fjarða	fjarðanna

¹Archaic or literary.

björn (“bear”): i-mutation of <ja> -> <i>

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Declension of björn (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	björn	björninn	birnir	birnirnir
accusative	björn	björninn	birni	birnina
dative	birni	birninum	björnum	björnunum
genitive	bjarnar	bjarnarins	bjarna	bjarnanna

hjörtur (“hart, deer”)

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Declension of hjörtur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hjörtur	hjörturinn	hirtir	hirtirnir
accusative	hjört	hjörtinn	hirti	hirtina
dative	hirti	hirtinum	hjörtum	hjörtunum
genitive	hjartar	hjartarins	hjarta	hjartanna

kjölur (“keel; backbone of book”); also mjöður

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Declension of kjölur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kjölur	kjölurinn	kilir	kilirnir
accusative	kjöl	kjölinn	kili	kilina
dative	kili	kilinum	kjölum	kjölunum
genitive	kjalar	kjalarins	kjala	kjalanna

Njörður (male given name)

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Declension of Njörður (sg-only masculine)

indefinite singular
nominative	Njörður
accusative	Njörð
dative	Nirði
genitive	Njarðar

Björn (male given name)

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Declension of Björn (sg-only masculine)

indefinite singular
nominative	Björn
accusative	Björn
dative	Birni
genitive	Björns, Bjarnar

irregular

stjölur (“thief?? (obsolete)”)

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Declension of stjölur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	stjölur	stjölurinn	stélir	stélirnir
accusative	stjöl	stjölinn	stéli	stélina
dative	stéli	stélinum	stjölum	stjölunum
genitive	stjalar	stjalarins	stjala	stjalanna

words in -ur with -j- infix

dati:-/i:-, gen in -s/-jar: beður (“bed (poetic)”)

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Declension of beður (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	beður	beðurinn	beðir	beðirnir
accusative	beð	beðinn	beði	beðina
dative	beði, beð	beðinum, beðnum	beðjum	beðjunum
genitive	beðs, beðjar	beðsins, beðjarins	beðja	beðjanna

dat-/-, gen in -jar/-s: bekkur (“bench; grade in school”), kekkur (“lump”), reykur (“smoke”), rykkur (“jerk, wrench”), sekkur (“bag, sack”), veggur (“wall”)

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Declension of bekkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bekkur	bekkurinn	bekkir	bekkirnir
accusative	bekk	bekkinn	bekki	bekkina
dative	bekk	bekknum	bekkjum	bekkjunum
genitive	bekkjar, bekks	bekkjarins, bekksins	bekkja	bekkjanna

dat-/-, gen in -s/-jar: belgur (“bellows; skin”), fengur (“profit; catch in hunting”), flekkur (“spot, fleck; drying hay”), hlekkur (“link of chain”), serkur (“shirt”), strengur (“string”), þvengur (“thong”)

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Declension of belgur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	belgur	belgurinn	belgir	belgirnir
accusative	belg	belginn	belgi	belgina
dative	belg	belgnum	belgjum	belgjunum
genitive	belgs, belgjar	belgsins, belgjarins	belgja	belgjanna

dat-/-, gen in -s/-jar, -r ending not -ur: blær (“breeze; tint”)

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Declension of blær (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	blær	blærinn	blæir	blæirnir
accusative	blæ	blæinn	blæi	blæina
dative	blæ	blænum	blæjum	blæjunum
genitive	blæs, blæjar	blæsins, blæjarins	blæja	blæjanna

dat-/-, gen in -s/-jar, no ending:
dat-/-, gen in -s/-jar, pl in -jir: bylur (“gust, squall”); NOTE: explicit -jar and -jir endings imply that -j- infix is not added to them; acc pl derived from nom pl by removing the -r

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Declension of bylur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bylur	bylurinn	byljir	byljirnir
accusative	byl	bylinn	bylji	byljina
dative	byl	bylnum	byljum	byljunum
genitive	byls, byljar	bylsins, byljarins	bylja	byljanna

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Declension of blindbylur (masculine, based on bylur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	blindbylur	blindbylurinn	blindbyljir	blindbyljirnir
accusative	blindbyl	blindbylinn	blindbylji	blindbyljina
dative	blindbyl	blindbylnum	blindbyljum	blindbyljunum
genitive	blindbyls, blindbyljar	blindbylsins, blindbyljarins	blindbylja	blindbyljanna

dat-/-, gen in -jar: drykkur (“drink”), eykur (“draft animal (poetic)”), lækur (“brook, creek”), verkur (“pain, ache”)

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Declension of drykkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	drykkur	drykkurinn	drykkir	drykkirnir
accusative	drykk	drykkinn	drykki	drykkina
dative	drykk	drykknum	drykkjum	drykkjunum
genitive	drykkjar	drykkjarins	drykkja	drykkjanna

dat-/-, gen in -jar: bær (“town; farm”)

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Declension of bær (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bær	bærinn	bæir	bæirnir
accusative	bæ	bæinn	bæi	bæina
dative	bæ	bænum	bæjum	bæjunum
genitive	bæjar	bæjarins	bæja	bæjanna

dat-/-, gen in -s: drengur (“boy”), grikkur (“disservice, trick”), heggur (“bird cherry”), hlykkur (“bend, curve”), hnykkur (“pull, jerk; trick”), hrekkur (“prank, joke”), kengur (“stable; bend”), kveikur (“wick”), kækur (“bad habit”), lækur (“umbilical cord (obsolete)”), seggur (“man (poetic)”), skeggur (“bearded man”), sprengur (“bursting”), steggur (“male bird, cock”), stingur (“sting”), styrkur (“strength, support, help”), svelgur (“whirlpool, eddy”)

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Declension of drengur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	drengur	drengurinn	drengir	drengirnir
accusative	dreng	drenginn	drengi	drengina
dative	dreng	drengnum	drengjum	drengjunum
genitive	drengs	drengsins	drengja	drengjanna

dat-/-, gen in -s, sg-only: drukkur (“whey + water”); Thomson claims -j- infix, pl in -ir

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Declension of drukkur (sg-only masculine)

	singular
	indefinite	definite
nominative	drukkur	drukkurinn
accusative	drukk	drukkinn
dative	drukk	drukknum
genitive	drukks	drukksins

dat-/-, gen in -jar, sg-only: mergur (“marrow”)

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Declension of mergur (sg-only masculine)

	singular
	indefinite	definite
nominative	mergur	mergurinn
accusative	merg	merginn
dative	merg	mergnum
genitive	mergjar	mergjarins

dat-/-, gen in -s/-jar, sg-only: ylur (“warmth”), þefur (“bad smell”)

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Declension of ylur (sg-only masculine)

	singular
	indefinite	definite
nominative	ylur	ylurinn
accusative	yl	ylinn
dative	yl	ylnum
genitive	yls, yljar	ylsins, yljarins

dat-:i/i, gen in -s, no j-infix: dynur (“din, noise”)

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Declension of dynur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	dynur	dynurinn	dynir	dynirnir
accusative	dyn	dyninn	dyni	dynina
dative	dyn, dyni	dyninum	dynum	dynunum
genitive	dyns	dynsins	dyna	dynanna

dat-/-, gen in -s/-jar, optional -j- infix in plural: elgur (“elk; slush”); NOTE: we need to specify dat- because -j- infix implies stem elgj- which implies no dat -i, but non-j infix implies stem elg- which implies dat -i

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Declension of elgur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	elgur	elgurinn	elgir	elgirnir
accusative	elg	elginn	elgi	elgina
dative	elg	elgnum	elgjum, elgum	elgjunum, elgunum
genitive	elgs, elgjar	elgsins, elgjarins	elgja, elga	elgjanna, elganna

dat-/-, gen in -s, either -j- infix with -ir or no -j- infix with -ar in plural: hringur (“ring”), leikar (“game”); NOTE: we need to specify dat- because -j- infix implies stem hringj- which implies no dat -i, but non-j infix implies stem hring- which implies dat -i

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Declension of hringur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hringur	hringurinn	hringir¹, hringar²	hringirnir¹, hringarnir²
accusative	hring	hringinn	hringi¹, hringa²	hringina¹, hringana²
dative	hring	hringnum	hringjum, hringum	hringjunum, hringunum
genitive	hrings	hringsins	hringja, hringa	hringjanna, hringanna

¹Usually for non-jewelry.
²Usually for jewelry.

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Declension of leikur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	leikur	leikurinn	leikir¹, leikar²	leikirnir¹, leikarnir²
accusative	leik	leikinn	leiki¹, leika²	leikina¹, leikana²
dative	leik	leiknum	leikjum, leikum	leikjunum, leikunum
genitive	leiks	leiksins	leikja, leika	leikjanna, leikanna

¹Set of rules or instance of such rules to be played.
²Sports competition, match.

dat-/-, gen in -jar/-s, either -j- infix with -ir or no -j- infix with -ar in plural: stekkur (“sheepfold”)

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Declension of stekkur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	stekkur	stekkurinn	stekkir, stekkar	stekkirnir, stekkarnir
accusative	stekk	stekkinn	stekki, stekka	stekkina, stekkana
dative	stekk	stekknum	stekkjum, stekkum	stekkjunum, stekkunum
genitive	stekkjar, stekks	stekkjarins, stekksins	stekkja, stekka	stekkjanna, stekkanna

dat-/-, gen in -jar/-s (with footnotes): hryggur (“back, spine; ridge”), vefur (“web, tissue”)

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Declension of hryggur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hryggur	hryggurinn	hryggir	hryggirnir
accusative	hrygg	hrygginn	hryggi	hryggina
dative	hrygg	hryggnum	hryggjum	hryggjunum
genitive	hryggjar, hryggs¹	hryggjarins, hryggsins¹	hryggja	hryggjanna

¹Uncommon except in compounds, sometimes proscribed.

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Declension of vefur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vefur	vefurinn	vefir	vefirnir
accusative	vef	vefinn	vefi	vefina
dative	vef	vefnum	vefjum	vefjunum
genitive	vefjar, vefs¹	vefjarins, vefsins¹	vefja	vefjanna

¹Mostly in computer language.

dat-/-, gen in -s/-jar (with footnotes): vængur (“wing”)

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Declension of vængur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vængur	vængurinn	vængir	vængirnir
accusative	væng	vænginn	vængi	vængina
dative	væng	vængnum	vængjum	vængjunum
genitive	vængs, vængjar¹	vængsins, vængjarins¹	vængja	vængjanna

¹Rare.

dat-:i/-, gen in -s/jar,nom pl in -jir/-ir: hylur (“fire (poetic)”)

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Declension of hylur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hylur	hylurinn	hyljir, hylir	hyljirnir, hylirnir
accusative	hyl	hylinn	hylji, hyli	hyljina, hylina
dative	hyl, hyli	hylnum	hyljum	hyljunum
genitive	hyls, hyljar	hylsins, hyljarins	hylja	hyljanna

miscellaneous irregular words in -ur

maður (“man; one”); here, the underlying stem is 'mann' and, as shown by the def nom/acc pl, the underlying plural is -ir, but replaced in the indef nom/acc pl with menn. We also make this a built-in as there are so many compounds of -maður.

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Declension of maður (masculine irreg-stem)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	maður	maðurinn	menn	mannirnir
accusative	mann	manninn	menn	mannina
dative	manni	manninum	mönnum	mönnunum
genitive	manns	mannsins	manna	mannanna

For Icelandic base lemma 'maður', saw 2 Template:is-ndecl's with id='noun' and 'pronoun' but with a request to return the inflection without ID; consider adding an ID restriction to the scrape request, e.g. '@@:noun' for self-scraping or '@m:noun' for scraping from another page

fótur (“foot”); i-mutation in dat sg fæti and in nom/acc pl fætur. Here, the ^ in ^ur is a special signal to do i-mutation of the stem before the ending, even if it doesn't contain -i-. Internally, -ur as nom pl is treated specially in that the accusative plural is also -ur instead of -u as you'd normally expect.

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Declension of fótur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fótur	fóturinn	fætur	fæturnir
accusative	fót	fótinn	fætur	fæturna
dative	fæti	fætinum	fótum	fótunum
genitive	fótar	fótarins	fóta	fótanna

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Declension of fótur (masculine, based on fótur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fótur	fóturinn	fætur	fæturnir
accusative	fót	fótinn	fætur	fæturna
dative	fæti	fætinum	fótum	fótunum
genitive	fótar, fóts¹	fótarins, fótsins¹	fóta	fótanna

¹Proscribed.

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Declension of blaðfótur (masculine, based on fótur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	blaðfótur	blaðfóturinn	blaðfætur	blaðfæturnir
accusative	blaðfót	blaðfótinn	blaðfætur	blaðfæturna
dative	blaðfæti	blaðfætinum	blaðfótum	blaðfótunum
genitive	blaðfótar, blaðfóts¹	blaðfótarins, blaðfótsins¹	blaðfóta	blaðfótanna

¹Proscribed.

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Declension of fjallsfótur (sg-only masculine, based on fótur)

	singular
	indefinite	definite
nominative	fjallsfótur	fjallsfóturinn
accusative	fjallsfót	fjallsfótinn
dative	fjallsfæti	fjallsfætinum
genitive	fjallsfótar, fjallsfóts¹	fjallsfótarins, fjallsfótsins¹

¹Proscribed.

vetur (“winter”); no i-mutation, just irregular plural -ur (see comments for fótur). # means nominative is stem (same as `stem:#`). Contraction is the default in such a case.

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Declension of vetur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vetur	veturinn	vetur	veturnir
accusative	vetur	veturinn	vetur	veturna
dative	vetri	vetrinum	vetrum	vetrunum
genitive	vetrar	vetrarins	vetra	vetranna

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Declension of vetur (masculine, based on vetur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vetur	veturinn	vetur, vetrar¹	veturnir, vetrarnir¹
accusative	vetur	veturinn	vetur, vetra¹	veturna, vetrana¹
dative	vetri	vetrinum	vetrum	vetrunum
genitive	vetrar	vetrarins	vetra	vetranna

¹Proscribed.

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Declension of frostavetur (masculine, based on vetur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	frostavetur	frostaveturinn	frostavetur, frostavetrar¹	frostaveturnir, frostavetrarnir¹
accusative	frostavetur	frostaveturinn	frostavetur, frostavetra¹	frostaveturna, frostavetrana¹
dative	frostavetri	frostavetrinum	frostavetrum	frostavetrunum
genitive	frostavetrar	frostavetrarins	frostavetra	frostavetranna

¹Proscribed.

fingur (“finger”): irregular nom/acc pl

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Declension of fingur (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fingur	fingurinn	fingur	fingurnir
accusative	fingur	fingurinn	fingur	fingurna
dative	fingri	fingrinum	fingrum	fingrunum
genitive	fingurs	fingursins	fingra	fingranna

fingur (“finger”): because certain common irregular nouns have several compounds that behave the same way, they can be handled automatically using '@', which means "built-in". It looks for recognized suffixes and uses an internal mapping to the appropriate declension specs. Examples of compounds of fingur: baugfingur (“ring finger”); litlifingur (“little finger, pinky”); skollafingur (“fir clubmoss”); vísifingur (“index finger”); þumalfingur (“thumb”).

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Declension of fingur (feminine, based on fingur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fingur	fingurin	fingur, fingurar¹	fingurnar, fingurarnar¹
accusative	fingur	fingurina	fingur, fingurar¹	fingurnar, fingurarnar¹
dative	fingur	fingurinni	fingurum	fingurunum
genitive	fingurar	fingurarinnar	fingura	finguranna

¹Proscribed.

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Declension of baugfingur (feminine, based on fingur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	baugfingur	baugfingurin	baugfingur, baugfingurar¹	baugfingurnar, baugfingurarnar¹
accusative	baugfingur	baugfingurina	baugfingur, baugfingurar¹	baugfingurnar, baugfingurarnar¹
dative	baugfingur	baugfingurinni	baugfingurum	baugfingurunum
genitive	baugfingurar	baugfingurarinnar	baugfingura	baugfinguranna

¹Proscribed.

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Declension of vísifingur (feminine, based on fingur)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	vísifingur	vísifingurin	vísifingur, vísifingurar¹	vísifingurnar, vísifingurarnar¹
accusative	vísifingur	vísifingurina	vísifingur, vísifingurar¹	vísifingurnar, vísifingurarnar¹
dative	vísifingur	vísifingurinni	vísifingurum	vísifingurunum
genitive	vísifingurar	vísifingurarinnar	vísifingura	vísifinguranna

¹Proscribed.

two-part common nouns

litlifingur (“little finger, pinky”)

Lua error in Module:User:Benwing2/is-noun at line 1842: Unrecognized gender '+', should be 'm', 'f' or 'n': <+>

langifingur (“middle finger?”)

Lua error in Module:User:Benwing2/is-noun at line 1842: Unrecognized gender '+', should be 'm', 'f' or 'n': <+>

multiword expressions

glæpur gegn mannkyni (“crime against humanity”)

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Declension of glæpur gegn mannkyni (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	glæpur gegn mannkyni	glæpurinn gegn mannkyni	glæpir gegn mannkyni	glæpirnir gegn mannkyni
accusative	glæp gegn mannkyni	glæpinn gegn mannkyni	glæpi gegn mannkyni	glæpina gegn mannkyni
dative	glæp gegn mannkyni	glæpnum gegn mannkyni	glæpum gegn mannkyni	glæpunum gegn mannkyni
genitive	glæps gegn mannkyni	glæpsins gegn mannkyni	glæpa gegn mannkyni	glæpanna gegn mannkyni

words in -ir

common nouns

NOTE: default to acc/dat -i, gen -is, nom pl -ar
læknir (“physician”); also, ábætir (“addition; dessert”), deilir (“divisor”), geymir (“container; tank”), greinir (“grammatical article”), hellir (“cave”), hirðir (“herdsman, shepherd”), kælir (“cooler; car radiator”), léttir (“comfort, help”), mælir (“meter, measuring instrument”), mænir (“roof ridge”), skelmir (“rogue”), vísir (“pointer, clock hand”), þerrir (“dry weather; drying”)

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Declension of læknir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	læknir	læknirinn	læknar	læknarnir
accusative	lækni	lækninn	lækna	læknana
dative	lækni	lækninum	læknum	læknunum
genitive	læknis	læknisins	lækna	læknanna

einir (“juniper”); also, flýtir (“haste”), reynir (“rowan, mountain ash; trie (poetic); a place name”), víðir (“willow; sea (poetic)”)

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Declension of einir (sg-only masculine)

	singular
	indefinite	definite
nominative	einir	einirinn
accusative	eini	eininn
dative	eini	eininum
genitive	einis	einisins

with irregular plural stem: eyrir (“öre (unit of currency)”); also gjaldeyrir (“currency”) (but sg-only per BÍN)

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Declension of eyrir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	eyrir	eyririnn	aurar	aurarnir
accusative	eyri	eyrinn	aura	aurana
dative	eyri	eyrinum	aurum	aurunum
genitive	eyris	eyrisins	aura	auranna

with -j- insertion in plural: beykir (“cooper”); also fleygir (“thrower (poetic)”) (sg-only per BÍN), fylkir (“prince (poetic)”), kíkir (“telescope, binoculars”), mækir (“sword (obsolete)”)

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Declension of beykir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	beykir	beykirinn	beykjar	beykjarnir
accusative	beyki	beykinn	beykja	beykjana
dative	beyki	beykinum	beykjum	beykjunum
genitive	beykis	beykisins	beykja	beykjanna

steypir (“concrete?”)

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Declension of steypir (sg-only masculine)

	singular
	indefinite	definite
nominative	steypir	steypirinn
accusative	steypi	steypinn, steypirinn
dative	steypi	steypinum
genitive	steypis	steypisins

proper nouns

Hilmir (male given name); also Birgir, Fjölnir, Gellir, Grettir, Gyrðir, Heimir, Mímir, Mjölnir (also Mjöllnir, less common), Reynir, Stefnir, Styrmir, Sverrir, Víðir, Vignir, Þórir, Ægir, Ölvir

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Declension of Hilmir (sg-only masculine)

indefinite singular
nominative	Hilmir
accusative	Hilmi
dative	Hilmi
genitive	Hilmis

Hellir (place name)

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Declension of Hellir (sg-only masculine)

indefinite singular
nominative	Hellir
accusative	Helli
dative	Helli
genitive	Hellis

Geysir (name of the most famous geyser in Iceland); proper names default to sg-only, indef-only; this one has definite forms

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Declension of Geysir (sg-only masculine)

	singular
	indefinite	definite
nominative	Geysir	Geysirinn
accusative	Geysi	Geysinn
dative	Geysi	Geysinum
genitive	Geysis	Geysisins

miscellaneous irregular words in -ir

bróðir (“brother”); acc/dat/gen sg are bróður, nom/acc pl bræður, dat pl bræðrum, gen pl bræðra. `rstem` selects the right endings, contraction and i-mutation (same for dóttir, systir, faðir, móðir, except that systir has no i-mutation).

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Declension of bróðir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bróðir	bróðirinn	bræður	bræðurnir
accusative	bróður	bróðurinn	bræður	bræðurna
dative	bróður	bróðurnum	bræðrum	bræðrunum
genitive	bróður, bróðurs¹	bróðurins, bróðursins¹	bræðra	bræðranna

¹Proscribed.

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Declension of bróðir (masculine, based on bróðir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bróðir	bróðirinn	bræður	bræðurnir
accusative	bróður	bróðurinn	bræður	bræðurna
dative	bróður	bróðurnum	bræðrum	bræðrunum
genitive	bróður, bróðurs¹	bróðurins, bróðursins¹	bræðra	bræðranna

¹Proscribed.

dóttir (“daughter”); acc/dat/gen sg are dóttur, nom/acc pl dætur, dat pl dætrum, gen pl dætra. `rstem` selects the right endings, contraction and i-mutation. We set the plstem to 'dót' so its i-mutation is 'dæt'.

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Declension of dóttir (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	dóttir	dóttirin	dætur	dæturnar
accusative	dóttur, dóttir¹	dótturina, dóttirina¹	dætur	dæturnar
dative	dóttur, dóttir¹	dótturinni, dóttirinni¹	dætrum	dætrunum
genitive	dóttur, dóttir¹	dótturinnar, dóttirinnar¹	dætra	dætranna

¹Proscribed.

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Declension of dóttir (feminine, based on dóttir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	dóttir	dóttirin	dætur	dæturnar
accusative	dóttur, dóttir¹	dótturina, dóttirina¹	dætur	dæturnar
dative	dóttur, dóttir¹	dótturinni, dóttirinni¹	dætrum	dætrunum
genitive	dóttur, dóttir¹	dótturinnar, dóttirinnar¹	dætra	dætranna

¹Proscribed.

Lua error in Module:is-common at line 608: Can't determine base lemma to scrape given lemma 'Alexandríudóttir' and scraping spec '@dóttir'; scraping spec not found in lemma

systir (“sister”); acc/dat/gen sg are systur, nom/acc pl systur, dat pl systrum, gen pl systra. `rstem` selects the right endings and contraction as above (no i-mutation).

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Declension of systir (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	systir	systirin	systur	systurnar
accusative	systur, systir¹	systurina, systirina¹	systur	systurnar
dative	systur, systir¹	systurinni, systirinni¹	systrum	systrunum
genitive	systur, systir¹	systurinnar, systirinnar¹	systra	systranna

¹Proscribed.

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Declension of systir (feminine, based on systir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	systir	systirin	systur	systurnar
accusative	systur, systir¹	systurina, systirina¹	systur	systurnar
dative	systur, systir¹	systurinni, systirinni¹	systrum	systrunum
genitive	systur, systir¹	systurinnar, systirinnar¹	systra	systranna

¹Proscribed.

For Icelandic base lemma 'stir', page exists but has no Icelandic section

faðir (“father”); acc/dat/gen sg are föður, nom/acc pl feður, dat pl feðrum, gen pl feðra. `rstem` selects the right endings, contraction and i-mutation as above. The -ur ending in acc/dat/gen sg automatically trigger u-mutation.

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Declension of faðir (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	faðir	faðirinn	feður	feðurnir
accusative	föður	föðurinn	feður	feðurna
dative	föður	föðurnum	feðrum	feðrunum
genitive	föður, föðurs¹	föðurins, föðursins¹	feðra	feðranna

¹Proscribed.

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Declension of faðir (masculine, based on faðir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	faðir	faðirinn	feður	feðurnir
accusative	föður	föðurinn	feður	feðurna
dative	föður	föðurnum	feðrum	feðrunum
genitive	föður, föðurs¹	föðurins, föðursins¹	feðra	feðranna

¹Proscribed.

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Declension of forfaðir (masculine, based on faðir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	forfaðir	forfaðirinn	forfeður	forfeðurnir
accusative	forföður	forföðurinn	forfeður	forfeðurna
dative	forföður	forföðurnum	forfeðrum	forfeðrunum
genitive	forföður, forföðurs¹	forföðurins, forföðursins¹	forfeðra	forfeðranna

¹Proscribed.

móðir (“mother”); acc/dat/gen sg are móður, nom/acc pl mæður, dat pl mæðrum, gen pl mæðra. `rstem` selects the right endings, contraction and i-mutation as above.

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Declension of móðir (feminine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	móðir	móðirin	mæður	mæðurnar
accusative	móður, móðir¹	móðurina, móðirina¹	mæður	mæðurnar
dative	móður, móðir¹	móðurinni, móðirinni¹	mæðrum	mæðrunum
genitive	móður, móðir¹	móðurinnar, móðirinnar¹	mæðra	mæðranna

¹Proscribed.

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Declension of móðir (feminine, based on móðir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	móðir	móðirin	mæður	mæðurnar
accusative	móður, móðir¹	móðurina, móðirina¹	mæður	mæðurnar
dative	móður, móðir¹	móðurinni, móðirinni¹	mæðrum	mæðrunum
genitive	móður, móðir¹	móðurinnar, móðirinnar¹	mæðra	mæðranna

¹Proscribed.

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Declension of guðmóðir (feminine, based on móðir)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	guðmóðir	guðmóðirin	guðmæður	guðmæðurnar
accusative	guðmóður, guðmóðir¹	guðmóðurina, guðmóðirina¹	guðmæður	guðmæðurnar
dative	guðmóður, guðmóðir¹	guðmóðurinni, guðmóðirinni¹	guðmæðrum	guðmæðrunum
genitive	guðmóður, guðmóðir¹	guðmóðurinnar, guðmóðirinnar¹	guðmæðra	guðmæðranna

¹Proscribed.

masculine weak

words in -i

tími (“time, hour”); also: áttaviti (“compass”), bogi (“bow”), bolli (“cup”), bolti (“ball; bolt (for a lock)”) (hornabolti (“baseball”), skrúfbolti (“bolt (large screw)”), bursti (“brush”) (hárbursti (“hairbrush”), , tannbursti (“toothbrush”)), fáni (“flag”), flói (“bay”), hiti (“heat”), hluti (“part”), íkorni (“squirrel”), ísótópi (“isotope”) (rare, also seen rarely as ísótópa, more common as ísótópur but still rare compared with samsæta), kalkúni (“turkey”) (also kalkúnn, kalkún), koddi (“pillow”), kuldi (“cold”), kvóti (“quota, share; quotient”), -leiki (abstract noun suffix) (erfiðleiki (“difficulty”) , möguleiki (“possibility”)), listi (“list”), logi (“flame”), metri (“meter”), miði (“slip of paper”) (aðgöngumiði (“admission ticket”), farmiði (“travel ticket”)), olnbogi (“elbow”), penni (“pen”), poki (“bag, sack”), púði (“cushion”), risi (“giant”), runni (“bush”), sími (“telephone”), skóli (“school”) (háskóli (“university”)), sproti (“twig”), steðji (“anvil”), stigi (“ladder; staircase”), vökvi (“liquid”)

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Declension of tími (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	tími	tíminn	tímar	tímarnir
accusative	tíma	tímann	tíma	tímana
dative	tíma	tímanum	tímum	tímunum
genitive	tíma	tímans	tíma	tímanna

hani (“rooster”) (dat pl hönum); also banki (“bank (for money)”), frakki (“coat”), gluggi (“window”), (cf. hafrar (“oats”)), hanski (“glove”), hvati (“catalyst”), jakki (“jacket”), kassi (“box”), lampi (“lamp”), líkami (“body”), magi (“stomach, belly”), nagli (“nail (for wood)”), planki (“plank”), safi (“juice”), snagi (“hook, coat hook”), spaði (“spade (shovel or in cards)”), vasi (“pocket”)

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Declension of hani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	hani	haninn	hanar	hanarnir
accusative	hana	hanann	hana	hanana
dative	hana	hananum	hönum	hönunum
genitive	hana	hanans	hana	hananna

bakari (“baker”) (dat pl bökurum); also kjallari (“cellar, basement”), rakari (“barber”)

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Declension of bakari (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bakari	bakarinn	bakarar	bakararnir
accusative	bakara	bakarann	bakara	bakarana
dative	bakara	bakaranum	bökurum	bökurunum
genitive	bakara	bakarans	bakara	bakaranna

borgari (“citizen”) (dat pl borgurum); also hamborgari (“hamburger”), dómari (“judge”), kennari (“teacher”), nefnari (“denominator”), ritari (“secretary”), teljari (“numerator”), úðari (“sprinkler”)

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Declension of borgari (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	borgari	borgarinn	borgarar	borgararnir
accusative	borgara	borgarann	borgara	borgarana
dative	borgara	borgaranum	borgurum	borgurunum
genitive	borgara	borgarans	borgara	borgaranna

banani (“banana”) (dat pl banönum or bönunum); also kastali (“fortress, castle”), sandali (“sandal”)

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Declension of banani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	banani	bananinn	bananar	bananarnir
accusative	banana	bananann	banana	bananana
dative	banana	banananum	banönum, bönunum	banönunum, bönununum
genitive	banana	bananans	banana	banananna

dauði (“death”), rjómi (“cream”), vilji (“will”)

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Declension of dauði (sg-only masculine)

	singular
	indefinite	definite
nominative	dauði	dauðinn
accusative	dauða	dauðann
dative	dauða	dauðanum
genitive	dauða	dauðans

plural-only

feðgar (“father and son”); also foreldrar (“parents”) (in the singular, neuter foreldri is used)

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Declension of feðgar (pl-only masculine)

	plural
	indefinite	definite
nominative	feðgar	feðgarnir
accusative	feðga	feðgana
dative	feðgum	feðgunum
genitive	feðga	feðganna

hafrar (“oats”) with dat pl höfrum

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Declension of hafrar (pl-only masculine)

	plural
	indefinite	definite
nominative	hafrar	hafrarnir
accusative	hafra	hafrana
dative	höfrum	höfrunum
genitive	hafra	hafranna

personal names

Bjarni; also Bogi, Bolli, Bragi, Broddi, Elliði, Finnbogi, Gauti, Gísli, Gylfi, Hafliði, Hjalti, Illugi, Indriði, Ingi, Ingvi, Logi, Magni, Narfi, Pálmi, Sindri, Skafti, Sölvi, Torfi, Trausti, Tryggvi, Veturliði, Yngvi, etc.

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Declension of Bjarni (sg-only masculine)

indefinite singular
nominative	Bjarni
accusative	Bjarna
dative	Bjarna
genitive	Bjarna

with -j- infix

kleggi (“horsefly; lump”) (has -j- in all forms except the nom sg); also peyi (“guy, fellow”), steggi (“male bird, cock”), tiggi (“chieftain (poetic)”), tyggi (“same”)

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Declension of kleggi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	kleggi	klegginn	kleggjar	kleggjarnir
accusative	kleggja	kleggjann	kleggja	kleggjana
dative	kleggja	kleggjanum	kleggjum	kleggjunum
genitive	kleggja	kleggjans	kleggja	kleggjanna

aðili (“legal party”) (has optional -j- (correct but uncommon by a ratio of 602:16.5, or about 35:1) in all forms except the nom sg)

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Declension of aðili (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	aðili	aðilinn	aðilar, aðiljar¹	aðilarnir, aðiljarnir¹
accusative	aðila, aðilja¹	aðilann, aðiljann¹	aðila, aðilja¹	aðilana, aðiljana¹
dative	aðila, aðilja¹	aðilanum, aðiljanum¹	aðilum, aðiljum¹	aðilunum, aðiljunum¹
genitive	aðila, aðilja¹	aðilans, aðiljans¹	aðila, aðilja¹	aðilanna, aðiljanna¹

¹Uncommon.

Skeggi (male given name; toponym)

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Declension of Skeggi (sg-only masculine)

indefinite singular
nominative	Skeggi
accusative	Skeggja
dative	Skeggja
genitive	Skeggja

all words ending in -byggi, -ingi, -lingi, -skeggi, -virki, -yrki, e.g. frumbyggi (“aboriginal”); aumingi (“poor wretch”), foringi (“leader”) (liðsforingi (“officer”)), höfðingi (“chief”), kunningi (“acquaintance”), skrælingi (“barbarian; Eskimo”), svertingi (“Negro”), ættingi (“relation”); smælingi (“common man”); eyjarskeggi (“islander”); illvirki (“evildoer”), rafvirki (“electrician”), spellvirki (“evildoer”); einyrki (“lone farmer”) (these endings should be recognized automatically; turn off with .-j if you don't want the -j- infix)

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Declension of foringi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	foringi	foringinn	foringjar	foringjarnir
accusative	foringja	foringjann	foringja	foringjana
dative	foringja	foringjanum	foringjum	foringjunum
genitive	foringja	foringjans	foringja	foringjanna

words in -andi

nemandi (“student”); in plural, nom/acc nemendur, dat nemendum or (alt per Thomson) nemöndum, gen nemenda or (alt per Thomson) nemanda; use ^ur to indicate -ur with i-mutation, imut to indicate i-mutation in the remaining plural endings; also byrjandi (“beginner”), kaupandi (“buyer”), leigjandi (“tenant”), lesandi (“reader”), seljandi (“seller”), etc.

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Declension of nemandi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	nemandi	nemandinn	nemendur	nemendurnir
accusative	nemanda	nemandann	nemendur	nemendurna
dative	nemanda	nemandanum	nemendum, nemöndum¹	nemendunum, nemöndunum¹
genitive	nemanda	nemandans	nemenda, nemanda¹	nemendanna, nemandanna¹

¹Rare/obsolete.

bóndi, frændi, fjandi

bóndi (“farmer; husband”); see above under -andi for ^ur and imut

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Declension of bóndi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	bóndi	bóndinn	bændur	bændurnir
accusative	bónda	bóndann	bændur	bændurna
dative	bónda	bóndanum	bændum, bóndum¹	bændunum, bóndunum¹
genitive	bónda	bóndans	bænda, bónda¹	bændanna, bóndanna¹

¹Rare/obsolete.

frændi (“relative”)

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Declension of frændi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	frændi	frændinn	frændur	frændurnir
accusative	frænda	frændann	frændur	frændurna
dative	frænda	frændanum	frændum	frændunum
genitive	frænda	frændans	frænda	frændanna

fjandi (“enemy; devil”)
Note in the following that `.weak` disables special -ndi handling and makes it decline like a regular weak noun (fjandar not #fjendur); we also add footnotes indicating that the plural fjandar etc. means only "devil" and that in the singular, where both meanings use the same form, the meaning "enemy" is rare.

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Declension of fjandi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	fjandi¹	fjandinn¹	fjandar², fjendur³	fjandarnir², fjendurnir³
accusative	fjanda¹	fjandann¹	fjanda², fjendur³	fjandana², fjendurna³
dative	fjanda¹	fjandanum¹	fjöndum², fjendum³	fjöndunum², fjendunum³
genitive	fjanda¹	fjandans¹	fjanda², fjenda³	fjandanna², fjendanna³

¹In the meaning "devil"; rarely used in the singular to mean "enemy".
²In the meaning "devil".
³In the meaning "enemy".

words in -ndi that aren't present participles

andi (“breath; spirit”)

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Declension of andi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	andi	andinn	andar	andarnir
accusative	anda	andann	anda	andana
dative	anda	andanum	öndum	öndunum
genitive	anda	andans	anda	andanna

heiðasandi (“heath sand?”)

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Declension of heiðasandi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	heiðasandi	heiðasandinn	heiðasandar	heiðasandarnir
accusative	heiðasanda	heiðasandann	heiðasanda	heiðasandana
dative	heiðasanda	heiðasandanum	heiðasöndum	heiðasöndunum
genitive	heiðasanda	heiðasandans	heiðasanda	heiðasandanna

vandi (“trouble; responsibility; custom, habit”)

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Declension of vandi (sg-only masculine)

	singular
	indefinite	definite
nominative	vandi	vandinn
accusative	vanda	vandann
dative	vanda	vandanum
genitive	vanda	vandans

lundi (“puffin”), brúnalundi (“brown puffin”), etc.

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Declension of lundi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	lundi	lundinn	lundar	lundarnir
accusative	lunda	lundann	lunda	lundana
dative	lunda	lundanum	lundum	lundunum
genitive	lunda	lundans	lunda	lundanna

Dani et al.

Dani (“Dane”) (dat pl Dönum); also Ítali (“Italian”) (dat pl Ítölum)

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Declension of Dani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Dani	Daninn	Danir	Danirnir
accusative	Dana	Danann	Dani	Danina
dative	Dana	Dananum	Dönum	Dönunum
genitive	Dana	Danans	Dana	Dananna

Frísi (“Frisian”); also Írani (“Iranian”) (dat pl Írönum), Germani (“German”) (dat pl Germönum)

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Declension of Frísi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Frísi	Frísinn	Frísir, Frísar	Frísirnir, Frísarnir
accusative	Frísa	Frísann	Frísi, Frísa	Frísina, Frísana
dative	Frísa	Frísanum	Frísum	Frísunum
genitive	Frísa	Frísans	Frísa	Frísanna

Japani (“Japanese”) (dat pl Japönum or more rarely Jöpunum)

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Declension of Japani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Japani	Japaninn	Japanir, Japanar	Japanirnir, Japanarnir
accusative	Japana	Japanann	Japani, Japana	Japanina, Japanana
dative	Japana	Japananum	Japönum, Jöpunum¹	Japönunum, Jöpununum¹
genitive	Japana	Japanans	Japana	Japananna

¹Rare.

Afgani (“Afghan”); also Albani (“Albanian”)

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Declension of Afgani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Afgani	Afganinn	Afganar, Afganir	Afganarnir, Afganirnir
accusative	Afgana	Afganann	Afgana, Afgani	Afganana, Afganina
dative	Afgana	Afgananum	Afgönum	Afgönunum
genitive	Afgana	Afganans	Afgana	Afgananna

Bútani (“Bhutanese”)

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Declension of Bútani (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Bútani	Bútaninn	Bútanar, Bútanir¹	Bútanarnir, Bútanirnir¹
accusative	Bútana	Bútanann	Bútana, Bútani¹	Bútanana, Bútanina¹
dative	Bútana	Bútananum	Bútönum	Bútönunum
genitive	Bútana	Bútanans	Bútana	Bútananna

¹Less common.

(dat pl Bútönum)

Persi (“Persian”); also Afríkani (“African”) (dat pl Afríkönum), Ameríkani (“American”) (dat pl Ameríkönum), Arákani (“Arakanese”) (dat pl Arákönum), Arabi (“Arab”) (dat pl Aröbum), Asteki (“Aztec”), Baski (“Basque”) (dat pl Böskum), Bauni (“Dane (archaic)”), Breti (“Britisher, Briton”), Bretóni (“Breton”), Búi (“Boer”), Frakki (“French person”) (dat pl Frökkum), Svíi (“Swede”), Þjóðverji (“German”), etc.

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Declension of Persi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Persi	Persinn	Persar	Persarnir
accusative	Persa	Persann	Persa	Persana
dative	Persa	Persanum	Persum	Persunum
genitive	Persa	Persans	Persa	Persanna

Grikki et al.

Grikki (“Greek person”); also Rygi (“Rogalander”) (?; not in BÍN), Serki (“Saracen”), Tyrki (“Turk”)

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Declension of Grikki (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	Grikki	Grikkinn	Grikkir	Grikkirnir
accusative	Grikkja	Grikkjann	Grikki	Grikkina
dative	Grikkja	Grikkjanum	Grikkjum	Grikkjunum
genitive	Grikkja	Grikkjans	Grikkja	Grikkjanna

irregular

gumi (“man (poetic)”); not compounds brúðgumi (“bridegroom”), blóðbrúðgumi (“blood bridegroom (Exodus 4:26)”), húsgumi (“house master, husband”)

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Declension of gumi (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	gumi	guminn	gumar, gumnar	gumarnir, gumnarnir
accusative	guma	gumann	guma, gumna	gumana, gumnana
dative	guma	gumanum	gumum, gumnum	gumunum, gumnunum
genitive	guma	gumans	guma, gumna	gumanna, gumnanna

skati (“man; generous man (poetic)”); not compounds auðskati (“wealthy man (poetic)”), dvalinskati (“?”), gullskati (“?”), veifiskati (“unstable, unreliable person”)

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Declension of skati (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	skati	skatinn	skatnar	skatnarnir
accusative	skata	skatann	skatna	skatnana
dative	skata	skatanum	skötnum	skötnunum
genitive	skata	skatans	skatna	skatnanna

words in -a

herra (“gentleman; sir (form of address); Mr.”) (sendiherra (“ambassador”)); identical to masculine -i nouns except in the nominative in -a; also séra (“Reverend (title or form of address)”), síra (“same”)

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Declension of herra (masculine)

	singular		plural
	indefinite	definite	indefinite	definite
nominative	herra	herrann	herrar	herrarnir
accusative	herra	herrann	herra	herrana
dative	herra	herranum	herrum	herrunum
genitive	herra	herrans	herra	herranna

definite-only

Hrúturinn (“Aries”)

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Declension of Hrúturinn (sg-only masculine)

definite singular
nominative	Hrúturinn
accusative	Hrútinn
dative	Hrútinum
genitive	Hrútsins

Tvíburarnir (“Gemini”); also Fiskarnir (“Pisces”)

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Declension of Tvíburarnir (pl-only masculine)

definite plural
nominative	Tvíburarnir
accusative	Tvíburana
dative	Tvíbunum
genitive	Tvíbanna

Krabbinn (“Cancer”); also Sporðdrekinn (“Scorpio”), Vatnsberinn (“Aquarius”)

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Declension of Krabbinn (sg-only masculine)

definite singular
nominative	Krabbinn
accusative	Krabbann
dative	Krabbanum
genitive	Krabbans

Bogmaðurinn (“Sagitarrius”)

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Declension of Bogmaðurinn (sg-only masculine irreg-stem)

definite singular
nominative	Bogmaðurinn
accusative	Bogmanninn
dative	Bogmanninum
genitive	Bogmannsins

For Icelandic base lemma 'maðurinn', found Icelandic section but couldn't find any calls to Template:is-ndecl

Áttavitinn (“Pyxis (constellation)”)

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Declension of Áttavitinn (sg-only masculine)

definite singular
nominative	Áttavitinn
accusative	Áttavitann
dative	Áttavitanum
genitive	Áttavitans

User:Benwing2/test-is-ndecl-m-3

masculine strong part 3

words with pl in -ir

words in -ur

words in -aður, mostly -naður

words in -uður

words in -ur with i-mutation

words in -ur with un-u-mutation and i-mutation

irregular

words in -ur with -j- infix

miscellaneous irregular words in -ur

two-part common nouns

multiword expressions

words in -ir

common nouns

proper nouns

miscellaneous irregular words in -ir

masculine weak

words in -i

plural-only

personal names

with -j- infix

words in -andi

bóndi, frændi, fjandi

words in -ndi that aren't present participles

Dani et al.

Grikki et al.

irregular

words in -a

definite-only

Wikious

Boobota

Sagapedia