There are 16 words that end with 'itator'.
| citator | agitator | 
| imitator | cogitator | 
| hesitator | meditator | 
| levitator | irritator | 
| decapitator | facilitator | 
| felicitator | precipitator | 
| premeditator | resuscitator | 
| rehabilitator | prestidigitator | 
Note: These 16 words that end with 'itator' are found from the USA & Canada version of the tournament Scrabble word list.