Singular
NOMINATIVE
grinnslítheach (MASC.)
ghrinnslítheach (FEM.)
GENITIVE
ghrinnslíthigh (MASC.)
grinnslíthí (FEM.)
Plural
NOMINATIVE
grinnslítheacha
ghrinnslítheacha (SLENDER CONSONANTS)
GENITIVE
grinnslítheacha (STRONG PLURALS)
grinnslítheach (WEAK PLURALS)
Other forms
COMPARATIVE
níos grinnslíthí
▪ní ba ghrinnslíthí
SUPERLATIVE
is grinnslíthí
▪ba ghrinnslíthí