Understanding the Suffix -sion

shun and zhan

shun and jan

shan and jan

shan and zhan

To make adjectives from nouns

To make adverbs from adjectives

To make nouns from verbs

To make verbs from nouns

When preceded by a vowel

When preceded by 'L' or 'N'

When preceded by 'S'

When preceded by 'R'

Vision

Decision

Collision

Compulsion

When preceded by 'L' or 'N'

When preceded by a vowel or 'R'

When preceded by 'S'

When preceded by 'T'

Compulsion

Apprehension

Collision

Extension

Replace 't' with 's'

Add 'ion' directly

Add 'sion' directly

Replace 'm' with 's'

Commission

Discussion

Recession

Profession

Add 'sion' directly

Replace 's' with 't'

Replace 'ss' with 's'

Add 'ion' directly