BOXBOARD is a playable word

boxboard Scrabble® Dictionary

noun
pl. boxboards
stiff paperboard
64 Playable Words can be made from "BOXBOARD"
   2-Letter Words (11 found)
   3-Letter Words (26 found)
   4-Letter Words (19 found)
   5-Letter Words (7 found)
   8-Letter Words (1 found)