biology vs accumulation

biology and accumulation both are nouns.

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

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

Other hypernyms of biology include aggregation, assemblage, collection.

biology (noun)	accumulation (noun)
the science that studies living organisms	the act of accumulating
all the plant and animal life of a particular region	several things grouped together or considered as a whole
characteristic life processes and phenomena of living organisms	(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