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.