There are 15 words that end with 'ortion'.
| portion | abortion |
| apportion | extortion |
| retortion | distortion |
| contortion | preportion |
| proportion | reapportion |
| proabortion | antiabortion |
| postabortion | disproportion |
| overproportion | |
Note: These 15 words that end with 'ortion' are found from the USA & Canada version of the tournament Scrabble word list.