Singular
NOMINATIVE
cathach (MASC.)
chathach (FEM.)
GENITIVE
chathaigh (MASC.)
cathaí (FEM.)
Plural
NOMINATIVE
cathacha
chathacha (SLENDER CONSONANTS)
GENITIVE
cathacha (STRONG PLURALS)
cathach (WEAK PLURALS)
Other forms
COMPARATIVE
níos cathaí
▪ní ba chathaí
SUPERLATIVE
is cathaí
▪ba chathaí