Singular
NOMINATIVE
fáthchiallach (MASC.)
fháthchiallach (FEM.)
GENITIVE
fháthchiallaigh (MASC.)
fáthchiallaí (FEM.)
Plural
NOMINATIVE
fáthchiallacha
fháthchiallacha (SLENDER CONSONANTS)
GENITIVE
fáthchiallacha (STRONG PLURALS)
fáthchiallach (WEAK PLURALS)
Other forms
COMPARATIVE
níos fáthchiallaí
▪ní b'fháthchiallaí
SUPERLATIVE
is fáthchiallaí
▪ab fháthchiallaí