STUNNED is a playable word

stun Scrabble® Dictionary

verb
stunned, stunning, stuns
to render senseless or incapable of action
81 Playable Words can be made from "STUNNED"
   2-Letter Words (11 found)
   3-Letter Words (23 found)
   5-Letter Words (10 found)
   6-Letter Words (5 found)
   7-Letter Words (2 found)