PREBOARDED is a playable word

preboard Scrabble® Dictionary

verb
preboarded, preboarding, preboards
to board before the regular time
272 Playable Words can be made from "PREBOARDED"
   2-Letter Words (20 found)
   8-Letter Words (5 found)
   9-Letter Words (1 found)
   10-Letter Words (1 found)