abaci - plural of abacus
abeam,abram,bream,cloam,coram,cream,dream,dunam,fleam,foram,gleam,gloam,hakam,haram,ihram,joram,kalam,madam,nizam,occam
ennui
Here are some possible words: admit afrit audit await befit bruit cubit davit debit demit digit dixit droit fruit fugit habit krait legit licit limit merit orbit petit pewit pipit plait polit posit...
Five (5) letter words that end with but: debut. rebut.