Mammoth Uncensored Word List:
28 words ending with oy, 8 letters long

beachboy billyboy blackboy bullyboy canticoy choirboy coemploy corduroy dalmahoy diddicoy doughboy houseboy kantikoy lifebuoy loverboy maccaboy maccoboy overcloy paduasoy paperboy pennyboy redeploy reemploy smallboy sonobuoy unemploy waterboy zircaloy