HUMMABLE is a playable word

hummable Scrabble® Dictionary

adjective
capable of being hummed
103 Playable Words can be made from "HUMMABLE"
   2-Letter Words (20 found)
   3-Letter Words (32 found)
   5-Letter Words (12 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)