congregation vs accumulation

congregation and accumulation both are nouns.

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

As nouns, accumulation is a hypernym of congregation; that is, accumulation is a word with a broader meaning than congregation:

congregation: an assemblage of people or animals or things collected together
accumulation: several things grouped together or considered as a whole

Other hypernyms of congregation include aggregation, assemblage, collection.

congregation (noun)	accumulation (noun)
the act of congregating	the act of accumulating
a group of people who adhere to a common faith and habitually attend a given church	several things grouped together or considered as a whole
an assemblage of people or animals or things collected together	(finance) profits that are not paid out as dividends but are added to the capital base of the corporation
	an increase by natural growth or addition