CAKEBOXES is a playable word

cakebox Scrabble® Dictionary

noun
pl. cakeboxes
a container for a cake (a sweet baked food)
136 Playable Words can be made from "CAKEBOXES"
   2-Letter Words (15 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)
   9-Letter Words (1 found)