Mammoth Uncensored Word List:
34 words ending with oy, 7 letters long

attaboy bathtoy bellboy bossboy callboy charpoy copyboy deadboy destroy didicoy footboy gownboy hautboy herdboy highboy homeboy killjoy ladyboy liftboy linkboy newsboy overcoy overjoy pageboy playboy plowboy pomeroy postboy reenjoy sandboy saveloy shopboy tallboy viceroy