First and Second Declension SG/PL/Variant

first declension feminine nominative (sg)

η

first declension feminine accusative

ην

second declension masculine nominative

ος

second declension masculine accusative

ον

accusative

object

nominative

subject

first declension feminine nominative (pl)

αι

first declension feminine accusative (pl)

ας

second declension masculine nominative (pl)

οι

second declension masculine accusative (pl)

ους

first declension nominative sg (variant ι/ρ)

α

first declension accusative sg (variant ι/ρ)

αν