There are 14 words that start with 'rotat'.
| rotate | rotated | rotates | 
| rotator | rotating | rotation | 
| rotative | rotators | rotatory | 
| rotatable | rotations | rotatores | 
| rotational | rotatively | |
Note: These 14 words that start with 'rotat' are found from the USA & Canada version of the tournament Scrabble word list.