Several four letter words begin with the letter q. However, there are no four letter words that begin with the letter q and end with the letter o.
Orca
Outstanding and optimistic are positive words. They begin with the letter o.
orca
Some four letter words that end with "o" are:zerohaloherohobointojudokiloalsoaltoautoechomemoontopolosilosolotacotarotrioundoveto
Obedient, obituary, occasion, odorless, offended, offstage, omission and operator are 8 letter words. They begin with the letter o.
Obese and oddball are insulting words. They begin with the letter o.
Some four letter words with second letter U and fourth letter O are:autoeurojudokudoouzo
Ovary ?
On and Of
ocean
ornaments