commemoration vs commemorate

commemoration is a noun but commemorate is not a noun.

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

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

commemoration (verb)	commemorate (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