There are 18 words that start with 'brat'.
| brat | brats | bratty |
| brattle | brattice | brattier |
| brattish | brattled | brattles |
| bratticed | brattices | brattiest |
| brattling | bratwurst | bratticing |
| brattiness | bratwursts | brattinesses |
Note: These 18 words that start with 'brat' are found from the USA & Canada version of the tournament Scrabble word list.