Singular
NOMINATIVE
eacstaiseach (MASC.)
eacstaiseach (FEM.)
GENITIVE
eacstaisigh (MASC.)
eacstaisí (FEM.)
Plural
NOMINATIVE
eacstaiseacha
GENITIVE
eacstaiseacha (STRONG PLURALS)
eacstaiseach (WEAK PLURALS)
Other forms
COMPARATIVE
níos eacstaisí
▪ní b'eacstaisí
SUPERLATIVE
is eacstaisí
▪ab eacstaisí