affix vs affixation

affix and affixation both are nouns.

Word	Noun	Adjective	Verb	Adverb
affix	Yes	No	Yes	No
affixation	Yes	No	No	No

affix (noun)	affixation (noun)
a linguistic element added to a word to produce an inflected or derived form	formation of a word by means of an affix
	the act of attaching or affixing something
	the result of adding an affix to a root word

affix (verb)	affixation (verb)
stick or fasten to
add to the very end
attach or become attached to a stem word