DUELLOS is a playable word

duello Scrabble® Dictionary

noun
pl. duellos or duelli
the art of dueling; a duel
94 Playable Words can be made from "DUELLOS"
   2-Letter Words (11 found)
   3-Letter Words (27 found)
   6-Letter Words (3 found)
   7-Letter Words (1 found)