There are 11 words that end with 'gatory'.
| nugatory | rogatory |
| purgatory | derogatory |
| mitigatory | obligatory |
| expurgatory | objurgatory |
| interrogatory | investigatory |
| supererogatory | |
Note: These 11 words that end with 'gatory' are found from the USA & Canada version of the tournament Scrabble word list.