Talk:-ation

Why do people in and from the USA use the suffix -ation for so many words that do not need it (to stress the word) or where its inclusion is inappropriate because the word is a stand alone noun? —This unsigned comment was added by 86.137.138.164 (talk • contribs) 2006-05-13 11:36:22.

Please give an example of such a use of "-ation". Rod (A. Smith) 22:03, 15 May 2006 (UTC)

-tion
what is the relation between both suffixes in words such as co-option - co-optation? --Backinstadiums (talk) 12:36, 17 September 2019 (UTC)