Singular
NOMINATIVE
iartheachtach (MASC.)
iartheachtach (FEM.)
GENITIVE
iartheachtaigh (MASC.)
iartheachtaí (FEM.)
Plural
NOMINATIVE
iartheachtacha
GENITIVE
iartheachtacha (STRONG PLURALS)
iartheachtach (WEAK PLURALS)
Other forms
COMPARATIVE
níos iartheachtaí
▪ní b'iartheachtaí
SUPERLATIVE
is iartheachtaí
▪ab iartheachtaí
