There are 6 14-letter words that end with 'rial'.
| conservatorial | conspiratorial |
| multifactorial | nomenclatorial |
| postindustrial | prothonotarial |
Note: These 6 14-letter words that end with 'rial' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with orial, arial, erial, trial, urial, brial, crial, drial, irial.
5-letter words end with 'rial' (2)