GLUMS is a playable word

glum Scrabble® Dictionary

noun
pl. glums
glumness
adjective
glummer, glummest
being in low spirits
(adverb) glumly
21 Playable Words can be made from "GLUMS"
   2-Letter Words (3 found)
   3-Letter Words (8 found)
   4-Letter Words (9 found)
   5-Letter Words (1 found)