CODEBOOK is a playable word

codebook Scrabble® Dictionary

noun
pl. codebooks
a book listing words and their coded equivalents

44 Playable Words can be made from "CODEBOOK"

   2-Letter Words (8 found)

   3-Letter Words (14 found)

   4-Letter Words (15 found)

   5-Letter Words (4 found)

   6-Letter Words (2 found)

   8-Letter Words (1 found)