Singular
NOMINATIVE
tairpeach (MASC.)
thairpeach (FEM.)
GENITIVE
thairpigh (MASC.)
tairpí (FEM.)
Plural
NOMINATIVE
tairpeacha
thairpeacha (SLENDER CONSONANTS)
GENITIVE
tairpeacha (STRONG PLURALS)
tairpeach (WEAK PLURALS)
Other forms
COMPARATIVE
níos tairpí
▪ní ba thairpí
SUPERLATIVE
is tairpí
▪ba thairpí