- Afrikaans: koors
- Albanian: ethe (sq) f
- Amharic: ትኩሳት (təkusat)
- Arabic: حُمَّة f (ḥumma), حُمَّى f (ḥummā)
- Egyptian Arabic: سخنية f (suxuneyya)
- Hijazi Arabic: حرارة f (ḥarāra)
- Moroccan Arabic: سخانة f (sḵāna)
- Armenian: տենդ (hy) (tend), տաքություն (hy) (takʻutʻyun), ջերմություն (hy) (ǰermutʻyun), կրակ (hy) (krak) (figuratively)
- Aromanian: heavrã f
- Assamese: জ্বৰ (zor)
- Assyrian Neo-Aramaic: ܚܲܡܚܲܡܬܵܐ f (ḥamḥamtā)
- Asturian: fiebre f
- Azerbaijani: qızdırma
- Bashkir: биҙгәк (biźgək)
- Basque: sukar
- Belarusian: тэмперату́ра (be) f (tempjeratúra), гара́чка f (haráčka), жар m (žar), ліхама́нка f (lixamánka)
- Bengali: জ্বর (bn) (jor)
- Berber:
- Tashelhit: ⵜⴰⵡⵍⴰ f (tawla)
- Bikol Central: kalentura (bcl)
- Bulgarian: температу́ра (bg) f (temperatúra), тре́ска (bg) f (tréska)
- Burmese: အဖျား (my) (a.hpya:)
- Catalan: febre (ca) f
- Cebuano: hilanat, kalentura
- Chakma: 𑄎𑄧𑄢𑄴 (jar)
- Chamicuro: alijkwa'takochi
- Chinese:
- Mandarin: 發熱 / 发热 (zh) (fārè), 發燒 / 发烧 (zh) (fāshāo) (verb; "to have a fever"), 熱病 / 热病 (zh) (rèbìng), 熱病 / 热病 (zh) (rèbìng)
- Classical Nahuatl: tletl
- Czech: horečka (cs) f, teplota (cs) f
- Danish: feber (da) c
- Dutch: verhoging (nl) f, koorts (nl) f
- Egyptian: (šmmt f)
- Esperanto: febro
- Estonian: palavik (et)
- Faroese: fepur m
- Finnish: kuume (fi)
- French: fièvre (fr) f
- Friulian: fiere f
- Galician: febre f, quentura f
- Georgian: სიცხე (sicxe), ციებ-ცხელება (cieb-cxeleba), ტემპერატურა (ṭemṗeraṭura)
- German: Fieber (de) n, Temperaturerhöhung f
- Gothic: 𐌱𐍂𐌹𐌽𐌽𐍉 f (brinnō), 𐌷𐌴𐌹𐍄𐍉 f (heitō)
- Greek: πυρετός (el) m (pyretós)
- Ancient: πυρετός m (puretós)
- Guaraní: akãnundu
- Gujarati: તાવ m (tāv)
- Hebrew: קַדַּחַת (he) f (kadákhat)
- Hiligaynon: hilanat
- Hindi: बुख़ार (hi) m (buxār), ज्वर (hi) m (jvar)
- Hungarian: (above 37.8°C or 100°F) láz (hu), (moderate fever, 36.8–37.8°C or 98.2–100°F) hőemelkedés (hu)
- Icelandic: hiti (is) m, hitasótt f
- Ilocano: gurigor
- Indonesian: demam (id)
- Ingrian: žaaru, varitauti
- Interlingua: febre
- Iquito: ípanaca
- Irish: fiabhras m
- Isnag: daxang
- Italian: febbre (it) f
- Japanese: 熱 (ja) (ねつ, netsu), 発熱 (ja) (はつねつ, hatsunetsu)
- Kapampangan: lagnat
- Kazakh: қызба (qyzba)
- Khmer: គ្រុន (km) (krun)
- Korean: 열(熱) (ko) (yeol), 열병(熱病) (ko) (yeolbyeong), 발열(發熱) (ko) (baryeol)
- Kurdish:
- Central Kurdish: تا (ta)
- Northern Kurdish: ta (ku) f, tasar (ku) f, tagerm (ku) f
- Kyrgyz: калтыратма (ky) (kaltıratma), безгек (ky) (bezgek)
- Ladin: fiëura f
- Lao: ໄຂ້ (lo) (khai)
- Latin: febris (la) f
- Latvian: drudzis m
- Lithuanian: karščiavimas m
- Lü: ᦺᦃᧉ (ẋay²)
- Macedonian: треска f (treska)
- Malagasy: fanaviana (mg)
- Malay: demam (ms)
- Maore Comorian: ɓuhuo class 5/6
- Navajo: tahoniigááh
- Nepali: ज्वरो (jvaro)
- Norman: fièvre f
- Norwegian:
- Bokmål: feber (no) m
- Occitan: fèbre (oc)
- Old English: hriþ
- Pali: pariḷāha m, jararoga m
- Pangasinan: puetang
- Pashto: تبه (ps) f (tᶕba)
- Persian: تب (fa) (tab)
- Plautdietsch: Feeba n, Braunt n
- Polish: gorączka (pl) f, temperatura (pl) f
- Portuguese: febre (pt) f
- Punjabi: ਤਾਪ (pa) m (tāp), ਬੁਖ਼ਾਰ (pa) m (buxār)
- Quechua: rupha
- Romagnol: favarsena f
- Romanian: temperatură (ro) f, febră (ro) f
- Romansch: fevra f, feavra f, feivra f
- Russian: температу́ра (ru) f (temperatúra), лихора́дка (ru) f (lixorádka), горя́чка (ru) f (gorjáčka), жар (ru) m (žar)
- Sanskrit: ज्वर (sa) m (jvara)
- Sardinian: calentura f, callantura f
- Scottish Gaelic: fiabhras m
- Serbo-Croatian:
- Cyrillic: гро̀зница f
- Roman: gròznica (sh) f
- Sicilian: frevi (scn)
- Slovak: horúčka (sk) f
- Slovene: vročina (sl) f
- Somali: qandho (so)
- Sorbian:
- Lower Sorbian: zymnica f
- Southern Altai: туму (tumu), безгек (bezgek)
- Spanish: fiebre (es) f, calentura (es) f
- Sumerian: 𒌓 (/ud/)
- Swahili: (class 9/10) homa (sw), harara (sw)
- Swedish: feber (sv) c
- Tagalog: lagnat (tl)
- Tajik: таб (tab), табларза (tablarza)
- Tamil: காய்ச்சல் (ta) (kāyccal), ஜுரம் (ta) (juram), ஜ்வரம் (jvaram)
- Tatar: бизгәк (tt) (bizgäk)
- Tausug: hinglaw
- Telugu: జ్వరము (te) (jvaramu), వేకి (te) (vēki), పులకరము (te) (pulakaramu)
- Thai: ไข้ (th) (kâi)
- Tigrinya: ምርባጽ (mərbaṣ)
- Turkish: ateş (tr)
- Turkmen: gyzzyrma
- Ukrainian: гаря́чка f (harjáčka), лихома́нка f (lyxománka), температу́ра f (temperatúra) (colloquial), жар m (žar), пропáсниця f (propásnycja)
- Urdu: بُخار m (buxār)
- Uyghur: قىزىتما (qizitma)
- Uzbek: isitma (uz), bezgak (uz)
- Venetan: fevra f, féra
- Vietnamese: sốt (vi)
- Volapük: fif (vo)
- Walloon: five (wa) f
- Welsh: twymyn, achre m
- Yakan: lemmun
- Yiddish: פֿיבער m (fiber)
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