13-Letter Words End with 'sion'

There are 25 13-letter words that end with 'sion'.

animadversion	anticollision
anticorrosion	antirecession
bioconversion	decompression
dispossession	comprehension
condescension	misimpression
interspersion	introgression
nonaggression	nonconclusion
nonpossession	photoemission
postrecession	overexpansion
overextension	prepossession
pretelevision	pretermission
retrogression	subcommission
transgression

Note: These 25 13-letter words that end with 'sion' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words end with ssion, usion, rsion, ision, nsion, asion, lsion, osion, esion.

6-letter words end with 'sion' (5)
7-letter words end with 'sion' (18)
8-letter words end with 'sion' (32)
9-letter words end with 'sion' (58)
10-letter words end with 'sion' (54)
11-letter words end with 'sion' (20)
12-letter words end with 'sion' (30)
13-letter words end with 'sion' (25)
14-letter words end with 'sion' (11)
15-letter words end with 'sion' (6)