GUMS is a playable word

gum Scrabble® Dictionary

verb
gummed, gumming, gums
to smear, seal, or clog with gum (a sticky, viscid substance)
11 Playable Words can be made from "GUMS"
   2-Letter Words (3 found)
   3-Letter Words (5 found)
   4-Letter Words (3 found)