Singular
NOMINATIVE
trialach (MASC.)
thrialach (FEM.)
GENITIVE
thrialaigh (MASC.)
trialaí (FEM.)
Plural
NOMINATIVE
trialacha
thrialacha (SLENDER CONSONANTS)
GENITIVE
trialacha (STRONG PLURALS)
trialach (WEAK PLURALS)
Other forms
COMPARATIVE
níos trialaí
▪ní ba thrialaí
SUPERLATIVE
is trialaí
▪ba thrialaí