COPYBOOKS is a playable word

copybook Scrabble® Dictionary

noun
pl. copybooks
a book used in teaching penmanship
85 Playable Words can be made from "COPYBOOKS"
   2-Letter Words (9 found)
   3-Letter Words (24 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)