Singular
NOMINATIVE
leathan (MASC.)
leathan (FEM.)
GENITIVE
leathain (MASC.)
leithne (FEM.)
Plural
NOMINATIVE
leathana
GENITIVE
leathana (STRONG PLURALS)
leathan (WEAK PLURALS)
Other forms
COMPARATIVE
níos leithne
▪ní ba leithne
SUPERLATIVE
is leithne
▪ba leithne