Outstanding is a nice word. It begins with the letter O.
Oafish.
octopus i think
Five letter words that start and end with letter O are outdo and outgo.
Outstanding is a flattering word. It begins with O.
The three-letter Gershwin is "Ira." The "o" is probably incorrect.
oak oak
orchestrate is an active word that begins with the letter O
O'er
it begins with the letter o. but if you are french, it begins with a letter o.
One-half is a hyphenated word. It begins with the letter O.
onlyonceomenopenomitoverontoovidovum
The province is the Orange Free State.
overdo
Bombs are overpowering and destructive. The adjective begins with the letter O.
off
Outstanding is a nice word. It begins with the letter O.