Singular
NOMINATIVE
feithiditeach (MASC.)
fheithiditeach (FEM.)
GENITIVE
fheithiditigh (MASC.)
feithidití (FEM.)
Plural
NOMINATIVE
feithiditeacha
fheithiditeacha (SLENDER CONSONANTS)
GENITIVE
feithiditeacha (STRONG PLURALS)
feithiditeach (WEAK PLURALS)
Other forms
COMPARATIVE
níos feithidití
▪ní b'fheithidití
SUPERLATIVE
is feithidití
▪ab fheithidití