Singular
NOMINATIVE
ceisteach (MASC.)
cheisteach (FEM.)
GENITIVE
cheistigh (MASC.)
ceistí (FEM.)
Plural
NOMINATIVE
ceisteacha
cheisteacha (SLENDER CONSONANTS)
GENITIVE
ceisteacha (STRONG PLURALS)
ceisteach (WEAK PLURALS)
Other forms
COMPARATIVE
níos ceistí
▪ní ba cheistí
SUPERLATIVE
is ceistí
▪ba cheistí