PUMPER is a playable word

pumper Scrabble® Dictionary

noun
pl. pumpers
one that pumps
30 Playable Words can be made from "PUMPER"
   2-Letter Words (8 found)
   3-Letter Words (11 found)
   4-Letter Words (8 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)