There are a total of 54 8-letter words containing 'ough', and the number may vary in different dictionaries. You can specify the dictionary and order.

• although ₁₆
• besought ₁₆
• boroughs ₁₆
• boughpot ₁₉
• boughten ₁₇
• brougham ₁₉
• coughers ₁₆
• coughing ₁₉
• doughboy ₁₉
• doughier ₁₄
• doughnut ₁₆
• droughts ₁₄
• droughty ₁₆
• foughten ₁₇
• furlough ₁₈
• hiccough ₂₁
• houghing ₁₈
• infought ₁₇
• oughting ₁₆
• ploughed ₁₈
• plougher ₁₇
• rebought ₁₆
• refought ₁₆
• resought ₁₃
• roughage ₁₅
• roughcut ₁₇
• roughdry ₁₆
• roughens ₁₄
• roughers ₁₃
• roughest ₁₃
• roughhew ₁₈
• roughies ₁₃
• roughing ₁₆
• roughish ₁₅
• roughleg ₁₆
• sloughed ₁₅
• soughing ₁₆
• thorough ₁₅
• thoughts ₁₅
• toughens ₁₄
• toughest ₁₃
• toughies ₁₃
• toughing ₁₆
• toughish ₁₅
• troughed ₁₄
• turlough ₁₅
• unbought ₁₈
• unfought ₁₈
• unsought ₁₅
• roughout ₁₂
• broughta ₁₄
• enroughs ₁₂
• oughlied ₁₃
• oughlies ₁₂

There are 54 8-letter words containing ough in the well-known word game dictionary, 46 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 52 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 49 in the Words with Friends (WWF) dictionary.