Singular
NOMINATIVE
oirfideach (MASC.)
oirfideach (FEM.)
GENITIVE
oirfidigh (MASC.)
oirfidí (FEM.)
Plural
NOMINATIVE
oirfideacha
GENITIVE
oirfideacha (STRONG PLURALS)
oirfideach (WEAK PLURALS)
Other forms
COMPARATIVE
níos oirfidí
▪ní b'oirfidí
SUPERLATIVE
is oirfidí
▪ab oirfidí