PASSBOOKS is a playable word

passbook Scrabble® Dictionary

noun
pl. passbooks
a bankbook
100 Playable Words can be made from "PASSBOOKS"
   2-Letter Words (11 found)
   5-Letter Words (13 found)
   6-Letter Words (3 found)
   8-Letter Words (1 found)
   9-Letter Words (1 found)