Omliggande, circumjacent.

Omlopp, circulation.

Omnejd, environs, surroundings.

Omnibus, omnibus, ’bus.

Omnämna, to mention.

Omogen, immature, unripe.

Omoralisk, immoral.

Omringa, to surround.

Område, territory, district.

Omrösta, to vote.