BUMPER is a playable word

bumper Scrabble® Dictionary

verb
bumpered, bumpering, bumpers
to fill to the brim
36 Playable Words can be made from "BUMPER"
   2-Letter Words (9 found)
   3-Letter Words (15 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)
   6-Letter Words (1 found)