Singular
NOMINATIVE
deithideach (MASC.)
dheithideach (FEM.)
GENITIVE
dheithidigh (MASC.)
deithidí (FEM.)
Plural
NOMINATIVE
deithideacha
dheithideacha (SLENDER CONSONANTS)
GENITIVE
deithideacha (STRONG PLURALS)
deithideach (WEAK PLURALS)
Other forms
COMPARATIVE
níos deithidí
▪ní ba dheithidí
SUPERLATIVE
is deithidí
▪ba dheithidí