LUNCHBOX is a playable word

lunchbox Scrabble® Dictionary

noun
pl. lunchboxes
a container for carrying meals to school or work
44 Playable Words can be made from "LUNCHBOX"
   2-Letter Words (11 found)
   3-Letter Words (19 found)
   4-Letter Words (9 found)
   5-Letter Words (4 found)
   8-Letter Words (1 found)