There are 8 13-letter words that end with 'rian'.
| authoritarian | communitarian | 
| documentarian | inegalitarian | 
| necessitarian | nonvegetarian | 
| postlapsarian | valedictorian | 
Note: These 8 13-letter words that end with 'rian' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with arian, orian, urian, erian, trian, prian, yrian.
6-letter words end with 'rian' (2)