Singular
NOMINATIVE
iostasach (MASC.)
iostasach (FEM.)
GENITIVE
iostasaigh (MASC.)
iostasaí (FEM.)
Plural
NOMINATIVE
iostasacha
GENITIVE
iostasacha (STRONG PLURALS)
iostasach (WEAK PLURALS)
Other forms
COMPARATIVE
níos iostasaí
▪ní b'iostasaí
SUPERLATIVE
is iostasaí
▪ab iostasaí
