There are 13 words that end with 'igator'.
| avigator | alligator |
| litigator | mitigator |
| fumigator | irrigator |
| navigator | obligator |
| castigator | instigator |
| investigator | coinvestigator |
| circumnavigator | |
Note: These 13 words that end with 'igator' are found from the USA & Canada version of the tournament Scrabble word list.