Singular
NOMINATIVE
seaghsach (MASC.)
sheaghsach (FEM.)
GENITIVE
sheaghsaigh (MASC.)
seaghsaí (FEM.)
Plural
NOMINATIVE
seaghsacha
sheaghsacha (SLENDER CONSONANTS)
GENITIVE
seaghsacha (STRONG PLURALS)
seaghsach (WEAK PLURALS)
Other forms
COMPARATIVE
níos seaghsaí
▪ní ba sheaghsaí
SUPERLATIVE
is seaghsaí
▪ba sheaghsaí