HUMPBACK is a playable word

humpback Scrabble® Dictionary

noun
pl. humpbacks
a humped back
75 Playable Words can be made from "HUMPBACK"
   2-Letter Words (13 found)
   3-Letter Words (28 found)
   5-Letter Words (5 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)