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-tion / -sion

act, state, or result of

Latin · -tio, -tionis, -sio

Turns verbs into nouns naming the act or result: educate becomes education, decide becomes decision. The ending sounds like "shun", and -ation is the most common form.

Memory trick

-tion sounds like "shun": it shuns the verb and gives you the finished result.

Words from this root