commemorate vs commemoration

commemorate is not a noun while commemoration is a noun.

Word	Noun	Adjective	Verb	Adverb
commemorate	No	No	Yes	No
commemoration	Yes	No	No	No

commemorate (noun)	commemoration (noun)
	a recognition of meritorious service
	a ceremony to honor the memory of someone or something

commemorate (verb)	commemoration (verb)
call to remembrance; keep alive the memory of someone or something, as in a ceremony
be or provide a memorial to a person or an event
celebrate by some ceremony or observation