There are 17 9-letter words that end with 'rating'.
| disrating | hydrating | migrating | 
| librating | misrating | narrating | 
| iterating | nitrating | serrating | 
| operating | outrating | recrating | 
| prorating | regrating | titrating | 
| uncrating | vibrating | |
Note: These 17 9-letter words that end with 'rating' are found from the USA & Canada version of the tournament Scrabble word list.