LOOPER is a playable word

looper Scrabble® Dictionary

noun
pl. loopers
one that loops
40 Playable Words can be made from "LOOPER"
   2-Letter Words (9 found)
   3-Letter Words (12 found)
   4-Letter Words (13 found)
   5-Letter Words (4 found)
   6-Letter Words (2 found)