DUNGEONED is a playable word

dungeon Scrabble® Dictionary

verb
dungeoned, dungeoning, dungeons
to confine in a dungeon (an underground prison)
101 Playable Words can be made from "DUNGEONED"
   2-Letter Words (12 found)
   3-Letter Words (31 found)
   5-Letter Words (10 found)
   7-Letter Words (4 found)
   9-Letter Words (1 found)