There are 14 words that start with 'brachi'.
| brachia | brachial | brachium | 
| brachials | brachiate | brachiated | 
| brachiates | brachiator | brachiopod | 
| brachiating | brachiation | brachiators | 
| brachiopods | brachiations | |
Note: These 14 words that start with 'brachi' are found from the USA & Canada version of the tournament Scrabble word list.