There are 16 words that start with 'rott'.
| rotte | rotted | rotten |
| rotter | rottes | rotters |
| rotting | rottener | rottenly |
| rottenest | rottenness | rottweiler |
| rottenstone | rottweilers | rottennesses |
| rottenstones | ||
Note: These 16 words that start with 'rott' are found from the USA & Canada version of the tournament Scrabble word list.