Singular
NOMINATIVE
feidhmitheach (MASC.)
fheidhmitheach (FEM.)
GENITIVE
fheidhmithigh (MASC.)
feidhmithí (FEM.)
Plural
NOMINATIVE
feidhmitheacha
fheidhmitheacha (SLENDER CONSONANTS)
GENITIVE
feidhmitheacha (STRONG PLURALS)
feidhmitheach (WEAK PLURALS)
Other forms
COMPARATIVE
níos feidhmithí
▪ní b'fheidhmithí
SUPERLATIVE
is feidhmithí
▪ab fheidhmithí
