Singular
NOMINATIVE
faisisteach (MASC.)
fhaisisteach (FEM.)
GENITIVE
fhaisistigh (MASC.)
faisistí (FEM.)
Plural
NOMINATIVE
faisisteacha
fhaisisteacha (SLENDER CONSONANTS)
GENITIVE
faisisteacha (STRONG PLURALS)
faisisteach (WEAK PLURALS)
Other forms
COMPARATIVE
níos faisistí
▪ní b'fhaisistí
SUPERLATIVE
is faisistí
▪ab fhaisistí