There are 17 words that start with 'balla'.
| ballad | ballade | ballads | 
| ballast | ballades | balladic | 
| balladry | ballasts | balladeer | 
| balladist | ballasted | ballaster | 
| balladeers | balladists | balladries | 
| ballasters | ballasting | |
Note: These 17 words that start with 'balla' are found from the USA & Canada version of the tournament Scrabble word list.