OVERBOOKING is a playable word

overbook Scrabble® Dictionary

verb
overbooked, overbooking, overbooks
to issue reservations in excess of the space available
257 Playable Words can be made from "OVERBOOKING"
   2-Letter Words (17 found)
   8-Letter Words (3 found)
   9-Letter Words (1 found)
   11-Letter Words (1 found)