SLUMGUM is a playable word

slumgum Scrabble® Dictionary

noun
pl. slumgums
the residue remaining after honey is extracted from a honeycomb
31 Playable Words can be made from "SLUMGUM"
   2-Letter Words (4 found)
   3-Letter Words (11 found)
   4-Letter Words (13 found)
   5-Letter Words (2 found)
   7-Letter Words (1 found)