Singular
NOMINATIVE
peacach (MASC.)
pheacach (FEM.)
GENITIVE
pheacaigh (MASC.)
peacaí (FEM.)
Plural
NOMINATIVE
peacacha
pheacacha (SLENDER CONSONANTS)
GENITIVE
peacacha (STRONG PLURALS)
peacach (WEAK PLURALS)
Other forms
COMPARATIVE
níos peacaí
▪ní ba pheacaí
SUPERLATIVE
is peacaí
▪ba pheacaí