There are a total of 37 7-letter words containing 'kk', and the number may vary in different dictionaries. You can specify the dictionary and order.

• bakkies ₁₈
• bhikkhu ₂₃
• bhikkus ₂₁
• bikkies ₁₈
• bokkens ₁₉
• brekkie ₁₈
• bukkake ₂₃
• chakkas ₂₀
• chukkar ₂₁
• chukkas ₂₁
• chukker ₂₁
• dikkops ₁₉
• grokked ₁₈
• hokkies ₁₇
• ikkiest ₁₅
• lekking ₁₉
• markkaa ₁₈
• markkas ₁₈
• pikkies ₁₈
• quokkas ₂₅
• shikker ₁₇
• sukkahs ₁₈
• sukkoth ₁₈
• takkies ₁₅
• trekked ₁₆
• trekker ₁₅
• yakkers ₁₇
• yakking ₂₀
• yukkier ₁₈
• yukking ₂₁
• tekkies ₁₅
• dekkoed ₁₇
• dukkahs ₁₉
• dukkhas ₁₉
• rokkaku ₁₉
• yikkers ₁₈
• yokking ₁₉

There are 37 7-letter words containing kk in the well-known word game dictionary, 20 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 29 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 30 in the Words with Friends (WWF) dictionary.