There are 18 words that end with 'igates'.
| ligates | frigates |
| levigates | litigates |
| mitigates | fumigates |
| irrigates | navigates |
| obligates | castigates |
| colligates | fustigates |
| instigates | profligates |
| investigates | subirrigates |
| reinvestigates | circumnavigates |
Note: These 18 words that end with 'igates' are found from the USA & Canada version of the tournament Scrabble word list.