-o

Mane (Îngilîzî)

used with a stem to form a masculine singular noun, usually a deverbal

Hevwate

-a

Werger

-um

-ο

-ον

-um

-um

-um

-o

-o

Etîmolojî (Îngilîzî)

Inherited from Latin -us, from Proto-Indo-European *-os (creates action nouns from verbs).