There are 15 words that start with 'dual'.
| dual | duals |
| dually | dualism |
| dualist | duality |
| dualize | dualisms |
| dualists | dualized |
| dualizes | dualistic |
| dualities | dualizing |
| dualistically | |
Note: These 15 words that start with 'dual' are found from the USA & Canada version of the tournament Scrabble word list.