CRUMBERS is a playable word

crumber Scrabble® Dictionary

noun
pl. crumbers
one that crumbs
119 Playable Words can be made from "CRUMBERS"
   2-Letter Words (9 found)
   3-Letter Words (31 found)
   6-Letter Words (10 found)
   7-Letter Words (3 found)
   8-Letter Words (1 found)