legitimate vs legitimation

legitimate is not a noun while legitimation is a noun.

Word	Noun	Adjective	Verb	Adverb
legitimate	No	Yes	Yes	No
legitimation	Yes	No	No	No

legitimate (noun)	legitimation (noun)
	the act of making lawful
	the act of rendering a person legitimate

legitimate (adjective)	legitimation (adjective)
of marriages and offspring; recognized as lawful
in accordance with recognized or accepted standards or principles
authorized, sanctioned by, or in accordance with law
based on known statements or events or conditions

legitimate (verb)	legitimation (verb)
make (an illegitimate child) legitimate; declare the legitimacy of (someone)
show or affirm to be just and legitimate
make legal