There are 19 words that start with 'cumb'.
| cumber | cumbia |
| cumbers | cumbias |
| cumbered | cumberer |
| cumbrous | cumberers |
| cumbering | cumbrance |
| cumberbund | cumbersome |
| cumbrances | cumbrously |
| cumberbunds | cumbersomely |
| cumbrousness | cumbersomeness |
| cumbrousnesses | |
Note: These 19 words that start with 'cumb' are found from the USA & Canada version of the tournament Scrabble word list.