WAITLIST is a playable word

waitlist Scrabble® Dictionary

verb
waitlisted, waitlisting, waitlists
to put on a list of persons waiting
104 Playable Words can be made from "WAITLIST"
   2-Letter Words (12 found)
   3-Letter Words (29 found)
   6-Letter Words (1 found)
   8-Letter Words (1 found)