There are 20 6-letter words that start with 'bre'.
| breach | breads | bready | breaks | breams | 
| breast | breath | bredes | breech | breeds | 
| breeks | breeze | breezy | bregma | brents | 
| breves | brevet | brewed | brewer | brewis | 
Note: These 20 6-letter words that start with 'bre' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with brea, bree, brew, brev, brec, breg, bren, bred, brem, bret.
4-letter words start with 'bre' (4)