DUELLED is a playable word

duel Scrabble® Dictionary

verb
dueled, dueling, duels or duelled, duelling, duels
to fight formally
30 Playable Words can be made from "DUELLED"
   2-Letter Words (3 found)
   3-Letter Words (11 found)
   4-Letter Words (9 found)
   5-Letter Words (2 found)
   6-Letter Words (4 found)
   7-Letter Words (1 found)