There are a total of 180 8-letter words containing 'oy', and the number may vary in different dictionaries. You can specify the dictionary and order.

• alloying ₁₅
• amboynas ₁₇
• annoyers ₁₂
• annoying ₁₅
• aroynted ₁₂
• atemoyas ₁₃
• ballboys ₁₈
• beachboy ₂₁
• bellboys ₁₈
• benzoyls ₂₄
• blackboy ₂₄
• bootboys ₁₆
• boyarism ₁₆
• boybands ₁₈
• boychick ₂₅
• boychiks ₂₂
• boycotts ₁₆
• boyhoods ₁₆
• boyishly ₁₈
• bullyboy ₂₁
• buoyages ₁₆
• buoyance ₁₈
• buoyancy ₂₀
• callboys ₁₈
• caloyers ₁₄
• carboyed ₁₇
• charpoys ₁₈
• choirboy ₁₈
• cocoyams ₁₉
• coemploy ₂₀
• convoyed ₁₉
• copyboys ₂₁
• corduroy ₁₅
• cowboyed ₂₀
• decoyers ₁₄
• decoying ₁₇
• deployed ₁₆
• destroys ₁₁
• disloyal ₁₃
• doughboy ₁₉
• doyennes ₁₃
• employed ₁₈
• employee ₁₇
• employer ₁₇
• employes ₁₇
• enjoyers ₂₀
• enjoying ₂₃
• footboys ₁₆
• fratboys ₁₆
• gargoyle ₁₅
• hautboys ₁₆
• herdboys ₁₆
• highboys ₁₉
• homeboys ₁₈
• houseboy ₁₆
• hoydened ₁₅
• joyances ₂₃
• joyfully ₂₇
• joyously ₂₃
• joyrider ₂₀
• joyrides ₂₀
• joystick ₂₆
• killjoys ₂₅
• ladyboys ₁₇
• lifebuoy ₁₈
• linkboys ₁₉
• loyalest ₁₂
• loyalism ₁₅
• loyalist ₁₂
• maccaboy ₂₂
• maccoboy ₂₂
• morocoys ₁₆
• newsboys ₁₇
• nonroyal ₁₃
• overjoys ₂₃
• oystered ₁₁
• oysterer ₁₀
• paduasoy ₁₅
• pageboys ₁₈
• paperboy ₁₉
• playboys ₁₉
• plowboys ₂₀
• postboys ₁₆
• redeploy ₁₅
• reemploy ₁₇
• reenjoys ₂₀
• rentboys ₁₄
• royalism ₁₄
• royalist ₁₁
• roysters ₁₀
• rudeboys ₁₅
• saveloys ₁₅
• shamoyed ₁₆
• shopboys ₁₈
• sonobuoy ₁₅
• soyabean ₁₄
• soybeans ₁₄
• soymilks ₁₈
• stroyers ₁₀
• stroying ₁₃
• surroyal ₁₂
• tallboys ₁₅
• tannoyed ₁₃
• titihoya ₁₂
• toymaker ₁₇
• toyshops ₁₅
• tutoyers ₁₁
• uncloyed ₁₇
• unjoyful ₂₆
• viceroys ₁₇
• voyagers ₁₆
• voyageur ₁₇
• voyaging ₁₉
• wideboys ₁₇
• zircaloy ₂₃
• attaboys ₁₃
• bellbuoy ₁₅
• chanoyus ₁₆
• choreboy ₁₈
• deployer ₁₄
• nonloyal ₁₁
• samoyeds ₁₄
• soymeals ₁₃
• toylands ₁₂
• toytowns ₁₄
• accloyed ₁₆
• accoying ₁₆
• billyboy ₁₈
• bossboys ₁₅
• boysiest ₁₃
• canticoy ₁₅
• chanoyos ₁₆
• cloyless ₁₃
• cloyment ₁₅
• cloysome ₁₅
• coyishly ₁₉
• coystrel ₁₃
• coystril ₁₃
• dalmahoy ₁₇
• deadboys ₁₅
• diddicoy ₁₆
• didicoys ₁₅
• esloyned ₁₂
• esloynes ₁₁
• essoynes ₁₁
• ethanoyl ₁₄
• foyboats ₁₆
• gownboys ₁₇
• gurgoyle ₁₃
• kantikoy ₁₉
• liftboys ₁₆
• loyaller ₁₁
• moyities ₁₃
• noyances ₁₃
• overcloy ₁₆
• oystrige ₁₂
• pennyboy ₁₈
• pomeroys ₁₅
• popjoyed ₂₃
• poynting ₁₄
• poysoned ₁₄
• proyning ₁₄
• recoyled ₁₄
• recoyles ₁₃
• requoyle ₂₀
• royalets ₁₁
• royalise ₁₁
• royalize ₂₀
• royaller ₁₁
• roysting ₁₂
• sandboys ₁₄
• savoyard ₁₅
• scroyles ₁₃
• smallboy ₁₅
• smoyling ₁₄
• toyishly ₁₇
• toywoman ₁₆
• toywomen ₁₆
• uncoyned ₁₄
• unjoyous ₁₈

There are 180 8-letter words containing oy in the well-known word game dictionary, 112 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 163 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 115 in the Words with Friends (WWF) dictionary.