botany vs accumulation

botany and accumulation both are nouns.

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

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

Other hypernyms of botany include aggregation, assemblage, collection.

botany (noun)	accumulation (noun)
the branch of biology that studies plants	the act of accumulating
all the plant life in a particular region or period	several things grouped together or considered as a whole
	(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