Ouzo is a Greek aperitif
Octopus, Ocean, Orca, Otter, Oyster
sterol
An Italian company name that begins with "R" and ends with "o" is Roncato.
okra
Ohio
Ohio
Georgia O'Keefe was an American artist. Her name begins with the letter O.
Oryx.
Oyster
Oman
· Octopus
· Oribi