LOUPEN is a playable word

loup Scrabble® Dictionary

verb
louped, loupen, louping, loups
to leap
43 Playable Words can be made from "LOUPEN"
   2-Letter Words (13 found)
   3-Letter Words (12 found)
   4-Letter Words (14 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)