Singular
NOMINATIVE
caochthuirseach (MASC.)
chaochthuirseach (FEM.)
GENITIVE
chaochthuirsigh (MASC.)
caochthuirsí (FEM.)
Plural
NOMINATIVE
caochthuirseacha
chaochthuirseacha (SLENDER CONSONANTS)
GENITIVE
caochthuirseacha (STRONG PLURALS)
caochthuirseach (WEAK PLURALS)
Other forms
COMPARATIVE
níos caochthuirsí
▪ní ba chaochthuirsí
SUPERLATIVE
is caochthuirsí
▪ba chaochthuirsí