Operator Optition Orthodontist Office Worker That is all I know off the top of my head. Type it into a search engine and you should get more answers. Hope this helped :)
locksmith
A herb beginning with the letter "o" is oregano.
Optometrist
Feline mammal of south America beginning with the letter O is an "ocelot."
occupational theripist (OT)
Some names beginning with the letter O are:OlafOleanderOliveOliverOllieOmarOpalOpheliaOprahOrvilleOscarOtto
optometrist
Oman
Ontario
oasis
No there is not
One Dutch word beginning with the letter "o" is "onmiddellijk," which means "immediately" in English.