From carbón (“carbon”) + -ach (adjectival suffix).
carbónach (genitive singular masculine carbónaigh, genitive singular feminine carbónaí, plural carbónacha, not comparable)
| Singular | Plural (m/f) | |||
|---|---|---|---|---|
| Positive | Masculine | Feminine | (strong noun) | (weak noun) |
| Nominative | carbónach | charbónach | carbónacha; charbónacha² | |
| Vocative | charbónaigh | carbónacha | ||
| Genitive | carbónaí | carbónacha | carbónach | |
| Dative | carbónach; charbónach¹ |
charbónach; charbónaigh (archaic) |
carbónacha; charbónacha² | |
| Comparative | (not comparable) | |||
| Superlative | (not comparable) | |||
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
| Irish mutation | ||
|---|---|---|
| Radical | Lenition | Eclipsis |
| carbónach | charbónach | gcarbónach |
| Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. | ||