OUTDUEL is a playable word

outduel Scrabble® Dictionary

verb
outdueled, outdueling, outduels or outduelled, outduelling, outduels
to surpass in dueling
61 Playable Words can be made from "OUTDUEL"
   2-Letter Words (11 found)
   3-Letter Words (24 found)
   5-Letter Words (3 found)
   6-Letter Words (2 found)
   7-Letter Words (1 found)