GRUMOUS is a playable word

grumous Scrabble® Dictionary

adjective
consisting of clustered grains
52 Playable Words can be made from "GRUMOUS"
   2-Letter Words (9 found)
   3-Letter Words (19 found)
   4-Letter Words (18 found)
   5-Letter Words (3 found)
   6-Letter Words (1 found)
   7-Letter Words (2 found)