There are 17 words that start with 'duel'.
duel | duels | dueled |
dueler | duelli | duello |
duelers | dueling | duelist |
duelled | dueller | duellos |
duelists | duellers | duelling |
duellist | duellists | |
Note: These 17 words that start with 'duel' are found from the USA & Canada version of the tournament Scrabble word list.