There are 17 words that end with 'ritis'.
| iritis | metritis |
| neuritis | ovaritis |
| arteritis | arthritis |
| enteritis | gastritis |
| nephritis | scleritis |
| urethritis | endometritis |
| polyneuritis | antiarthritis |
| osteoarthritis | pyelonephritis |
| gastroenteritis | |
Note: These 17 words that end with 'ritis' are found from the USA & Canada version of the tournament Scrabble word list.