There are a total of 58 10-letter words containing 'lai', and the number may vary in different dictionaries. You can specify the dictionary and order.

• acclaimers ₂₀
• acclaiming ₂₃
• balalaikas ₁₉
• bordelaise ₁₅
• bromelains ₁₈
• chaplaincy ₂₅
• chatelaine ₁₇
• chatelains ₁₇
• chilblains ₂₁
• complained ₂₂
• complainer ₂₁
• complaints ₂₁
• declaimers ₁₈
• declaiming ₂₁
• disclaimed ₁₉
• disclaimer ₁₈
• exclaimers ₂₄
• exclaiming ₂₇
• explainers ₂₂
• explaining ₂₅
• floodplain ₂₀
• lairdships ₁₇
• misclaimed ₂₁
• overclaims ₂₁
• overplaids ₁₉
• pediplains ₁₉
• peneplains ₁₉
• plainchant ₂₁
• plainsongs ₁₈
• plaintexts ₂₂
• plaintiffs ₂₁
• plaistered ₁₅
• porcelains ₁₈
• proclaimed ₂₁
• proclaimer ₂₀
• quitclaims ₂₇
• reclaimers ₁₇
• reclaiming ₂₀
• unplaiting ₁₉
• villainess ₁₇
• villainies ₁₇
• villainous ₁₈
• reacclaims ₁₆
• reexplains ₁₉
• beaujolais ₁₉
• capillaire ₁₄
• chaplainry ₂₀
• claircolle ₁₄
• crossclaim ₁₆
• declaimant ₁₅
• elaiosomes ₁₂
• glairiness ₁₁
• outvillain ₁₃
• plaintless ₁₂
• plainworks ₁₉
• reclaimant ₁₄
• slaistered ₁₁
• villainage ₁₄

There are 58 10-letter words containing lai in the well-known word game dictionary, 42 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 56 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 42 in the Words with Friends (WWF) dictionary.