ochre
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
The second 'o' in Google is yellow. Google.
optometrist
Ontario
Oman
No there is not
oasis
Oxblood is a 7 letter word with 3 o's. It is a color. It is a dark shade of red that resembles burgundy.
EMOTION is the word.
Oman is a country. It begins with the letter O.