There are 11 words that start with 'backha'.
| backhand | backhaul | backhands | 
| backhauls | backhanded | backhander | 
| backhauled | backhanders | backhanding | 
| backhauling | backhandedly | |
Note: These 11 words that start with 'backha' are found from the USA & Canada version of the tournament Scrabble word list.