There are 12 words that end with 'uator'.
| equator | actuator | valuator | 
| graduator | evacuator | evaluator | 
| attenuator | extenuator | insinuator | 
| punctuator | continuator | perpetuator | 
Note: These 12 words that end with 'uator' are found from the USA & Canada version of the tournament Scrabble word list.