oasis
A herb beginning with the letter "o" is oregano.
Feline mammal of south America beginning with the letter O is an "ocelot."
Some names beginning with the letter O are:OlafOleanderOliveOliverOllieOmarOpalOpheliaOprahOrvilleOscarOtto
optometrist
Ontario
Oman
No there is not
One Dutch word beginning with the letter "o" is "onmiddellijk," which means "immediately" in English.
EMOTION is the word.
Oman is a country. It begins with the letter O.
Ohio begins with the letter O. Oklahoma and Oregon begin with the letter O.
Countries beginning with O: Oman Countries beginning with Q: Qatar