congregation vs congregate

congregation is a noun but congregate is not a noun.

Word	Noun	Adjective	Verb	Adverb
congregation	Yes	No	No	No
congregate	No	No	Yes	No

congregation (noun)	congregate (noun)
the act of congregating
a group of people who adhere to a common faith and habitually attend a given church
an assemblage of people or animals or things collected together

congregation (verb)	congregate (verb)
	come together, usually for a purpose