There are 21 words that start with 'burr'.
| burr | burro | burrs |
| burry | burred | burrer |
| burros | burrow | burrers |
| burrier | burring | burrito |
| burrows | burriest | burritos |
| burrowed | burrower | burrowers |
| burrowing | burrstone | burrstones |
Note: These 21 words that start with 'burr' are found from the USA & Canada version of the tournament Scrabble word list.