Singular
NOMINATIVE
eistreach (MASC.)
eistreach (FEM.)
GENITIVE
eistrigh (MASC.)
eistrí (FEM.)
Plural
NOMINATIVE
eistreacha
GENITIVE
eistreacha (STRONG PLURALS)
eistreach (WEAK PLURALS)
Other forms
COMPARATIVE
níos eistrí
▪ní b'eistrí
SUPERLATIVE
is eistrí
▪ab eistrí