Singular
NOMINATIVE
fireann (MASC.)
fhireann (FEM.)
GENITIVE
fhirinn (MASC.)
firinne (FEM.)
Plural
NOMINATIVE
fireanna
fhireanna (SLENDER CONSONANTS)
GENITIVE
fireanna (STRONG PLURALS)
fireann (WEAK PLURALS)
Other forms
COMPARATIVE
níos firinne
▪ní b'fhirinne
SUPERLATIVE
is firinne
▪ab fhirinne