GUMBOOT is a playable word

gumboot Scrabble® Dictionary

noun
pl. gumboots
a rubber boot
46 Playable Words can be made from "GUMBOOT"
   2-Letter Words (8 found)
   3-Letter Words (25 found)
   4-Letter Words (9 found)
   5-Letter Words (3 found)
   7-Letter Words (1 found)