Singular
NOMINATIVE
frithbheartach (MASC.)
fhrithbheartach (FEM.)
GENITIVE
fhrithbheartaigh (MASC.)
frithbheartaí (FEM.)
Plural
NOMINATIVE
frithbheartacha
fhrithbheartacha (SLENDER CONSONANTS)
GENITIVE
frithbheartacha (STRONG PLURALS)
frithbheartach (WEAK PLURALS)
Other forms
COMPARATIVE
níos frithbheartaí
▪ní ba fhrithbheartaí
SUPERLATIVE
is frithbheartaí
▪ab fhrithbheartaí