Singular
NOMINATIVE
sibilleach (MASC.)
shibilleach (FEM.)
GENITIVE
shibilligh (MASC.)
sibillí (FEM.)
Plural
NOMINATIVE
sibilleacha
shibilleacha (SLENDER CONSONANTS)
GENITIVE
sibilleacha (STRONG PLURALS)
sibilleach (WEAK PLURALS)
Other forms
COMPARATIVE
níos sibillí
▪ní ba shibillí
SUPERLATIVE
is sibillí
▪ba shibillí
