Singular
NOMINATIVE
feillgharbh (MASC.)
fheillgharbh (FEM.)
GENITIVE
fheillghairbh (MASC.)
feillghairbhe (FEM.)
Plural
NOMINATIVE
feillgharbha
fheillgharbha (SLENDER CONSONANTS)
GENITIVE
feillgharbha (STRONG PLURALS)
feillgharbh (WEAK PLURALS)
Other forms
COMPARATIVE
níos feillghairbhe
▪ní b'fheillghairbhe
SUPERLATIVE
is feillghairbhe
▪ab fheillghairbhe