congratulate vs congratulation

congratulate is not a noun while congratulation is a noun.

Word	Noun	Adjective	Verb	Adverb
congratulate	No	No	Yes	No
congratulation	Yes	No	No	No

congratulate (noun)	congratulation (noun)
	the act of acknowledging that someone has an occasion for celebration
	(usually plural) an expression of pleasure at the success or good fortune of another

congratulate (verb)	congratulation (verb)
say something to someone that expresses praise
express congratulations
pride or congratulate (oneself) for an achievement
be proud of