There are a total of 126 8-letter words containing 'lm', and the number may vary in different dictionaries. You can specify the dictionary and order.

• abelmosk ₁₉
• ailments ₁₃
• almagest ₁₄
• almanack ₂₀
• almanacs ₁₆
• almemars ₁₅
• almighty ₁₈
• almirahs ₁₄
• almoners ₁₃
• bailment ₁₆
• balmiest ₁₅
• balmlike ₂₀
• balmoral ₁₆
• balmyard ₁₈
• becalmed ₁₉
• biofilms ₁₈
• calmness ₁₆
• cellmate ₁₆
• coalmice ₁₈
• dalmatic ₁₆
• dishelms ₁₅
• dolmades ₁₄
• dolmuses ₁₄
• embalmed ₁₉
• embalmer ₁₈
• facepalm ₂₁
• filmable ₁₉
• filmcard ₁₉
• filmdoms ₁₉
• filmgoer ₁₇
• filmiest ₁₅
• filmland ₁₈
• filmsets ₁₅
• filmstar ₁₅
• fullmoon ₁₈
• fulmined ₁₈
• fulmines ₁₇
• fulminic ₂₀
• hallmark ₁₉
• haulmier ₁₅
• helmeted ₁₅
• helminth ₁₇
• helmless ₁₅
• helmsman ₁₈
• helmsmen ₁₈
• holmiums ₁₈
• hotelman ₁₅
• hotelmen ₁₅
• ilmenite ₁₃
• imbalmed ₁₉
• imbalmer ₁₈
• ladypalm ₁₉
• malmiest ₁₅
• malmseys ₁₇
• napalmed ₁₇
• palmated ₁₆
• palmball ₂₀
• palmette ₁₅
• palmetto ₁₅
• palmfuls ₂₀
• palmiers ₁₅
• palmiest ₁₅
• palmists ₁₅
• palmitic ₁₈
• palmitin ₁₆
• palmlike ₂₀
• palmtops ₁₈
• palmyras ₁₇
• pellmell ₁₈
• psalming ₁₈
• psalmist ₁₅
• psalmody ₁₈
• pullmans ₁₈
• pulmonic ₂₀
• pulmotor ₁₆
• qualmier ₂₂
• qualmish ₂₄
• refilmed ₁₆
• rollfilm ₁₇
• rollmops ₁₆
• salmonid ₁₄
• soulmate ₁₃
• stillman ₁₄
• stillmen ₁₄
• talmudic ₁₇
• telefilm ₁₆
• unfilmed ₁₈
• unhelmed ₁₇
• wheelman ₁₈
• wheelmen ₁₈
• whelming ₂₀
• dolmenic ₁₃
• elmwoods ₁₄
• filmfest ₁₆
• filmless ₁₃
• filmlike ₁₇
• pliofilm ₁₅
• almeries ₁₀
• calmants ₁₂
• calmiest ₁₂
• calmings ₁₃
• coalmine ₁₂
• dalmahoy ₁₇
• dwalming ₁₅
• encalmed ₁₃
• filmings ₁₄
• foulmart ₁₃
• gavelman ₁₄
• gavelmen ₁₄
• mulmulls ₁₂
• palmiets ₁₂
• palmiped ₁₅
• pelmatic ₁₄
• pulmones ₁₂
• qualming ₂₀
• quillman ₁₉
• quillmen ₁₉
• rillmark ₁₄
• salmonet ₁₀
• smalmily ₁₅
• smalming ₁₃
• stallman ₁₀
• stallmen ₁₀
• steelman ₁₀
• steelmen ₁₀
• yealming ₁₄

There are 126 8-letter words containing lm in the well-known word game dictionary, 88 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 117 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 91 in the Words with Friends (WWF) dictionary.