HELLBOX is a playable word

hellbox Scrabble® Dictionary

noun
pl. hellboxes
a printer's receptacle
31 Playable Words can be made from "HELLBOX"
   2-Letter Words (11 found)
   3-Letter Words (11 found)
   4-Letter Words (7 found)
   5-Letter Words (1 found)
   7-Letter Words (1 found)