13-Letter Words End with 'ian'

There are 20 13-letter words that end with 'ian'.

authoritarian	arithmetician
callithumpian	cliometrician
cybernetician	diagnostician
communitarian	documentarian
mathematician	metaphysician
linguistician	geopolitician
inegalitarian	necessitarian
nonpolitician	nonvegetarian
postlapsarian	paediatrician
ornithischian	valedictorian

Note: These 20 13-letter words that end with 'ian' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with rian, cian, lian, dian, nian, sian, tian, pian, gian, hian, mian, vian, bian, eian, fian, uian.

4-letter words end with 'ian' (1)
5-letter words end with 'ian' (2)
6-letter words end with 'ian' (12)
7-letter words end with 'ian' (25)
8-letter words end with 'ian' (54)
9-letter words end with 'ian' (64)
10-letter words end with 'ian' (26)
11-letter words end with 'ian' (40)
12-letter words end with 'ian' (38)
13-letter words end with 'ian' (20)
14-letter words end with 'ian' (16)
15-letter words end with 'ian' (10)