From An Ghuine (“Guinea”) + -ach (adjectival suffix).
Guineach (genitive singular masculine Guinigh, genitive singular feminine Guiní, plural Guineacha, not comparable)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | Guineach | Ghuineach | Guineacha; Ghuineacha² | |
| Vocative | Ghuinigh | Guineacha | ||
| Genitive | Guiní | Guineacha | Guineach | |
| Dative | Guineach; Ghuineach¹ |
Ghuineach; Ghuinigh (archaic) |
Guineacha; Ghuineacha² | |
| Comparative | níos Guiní | |||
| Superlative | is Guiní | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
Guineach m (genitive singular Guinigh, nominative plural Guinigh)
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Bare forms:
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Forms with the definite article:
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| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| Guineach | Ghuineach | nGuineach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||