There are 15 11-letter words that end with 'rian'.
| abecedarian | alcyonarian | antiquarian |
| centenarian | dinosaurian | egalitarian |
| holothurian | millenarian | libertarian |
| madreporian | radiolarian | proletarian |
| trinitarian | utilitarian | zoantharian |
Note: These 15 11-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)