UNSTOPPED is a playable word

unstop Scrabble® Dictionary

verb
unstopped, unstopping, unstops
to remove a stopper from
322 Playable Words can be made from "UNSTOPPED"
   2-Letter Words (23 found)
   7-Letter Words (5 found)
   8-Letter Words (2 found)
   9-Letter Words (1 found)