GRUBBER is a playable word

grubber Scrabble® Dictionary

noun
pl. grubbers
one that grubs
31 Playable Words can be made from "GRUBBER"
   2-Letter Words (3 found)
   3-Letter Words (15 found)
   4-Letter Words (9 found)
   5-Letter Words (1 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)