There are a total of 40 5-letter words containing 'lp', and the number may vary in different dictionaries. You can specify the dictionary and order.

• alpha ₁₁
• delph ₁₂
• gulps ₁₂
• gulpy ₁₄
• helps ₁₁
• kalpa ₁₃
• kelps ₁₃
• kelpy ₁₅
• milpa ₁₂
• palpi ₁₂
• palps ₁₂
• pulps ₁₃
• pulpy ₁₅
• ralph ₁₁
• salpa ₉
• salps ₉
• scalp ₁₂
• sculp ₁₃
• skelp ₁₃
• sylph ₁₃
• tulps ₁₀
• ulpan ₁₁
• whelp ₁₄
• yelps ₁₁
• culpa ₉
• ayelp ₁₀
• calpa ₉
• calps ₉
• chelp ₁₂
• elpee ₇
• gilpy ₁₁
• golpe ₈
• golps ₈
• gulph ₁₁
• kilps ₁₁
• olpae ₇
• olpes ₇
• poulp ₉
• talpa ₇
• tulpa ₇

There are 40 5-letter words containing lp in the well-known word game dictionary, 23 in the Scrabble US (US/Canada/Thailand - TWL/NWL) dictionary, and 39 in the Scrabble UK (International - SOWPODS/CSW) dictionary, and 24 in the Words with Friends (WWF) dictionary.