Singular
NOMINATIVE
coirteach (MASC.)
choirteach (FEM.)
GENITIVE
choirtigh (MASC.)
coirtí (FEM.)
Plural
NOMINATIVE
coirteacha
choirteacha (SLENDER CONSONANTS)
GENITIVE
coirteacha (STRONG PLURALS)
coirteach (WEAK PLURALS)
Other forms
COMPARATIVE
níos coirtí
▪ní ba choirtí
SUPERLATIVE
is coirtí
▪ba choirtí