miscellany vs accumulation

miscellany and accumulation both are nouns.

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

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

Other hypernyms of miscellany include aggregation, assemblage, collection.

miscellany (noun)	accumulation (noun)
an anthology of short literary pieces and poems and ballads etc.	the act of accumulating
a collection containing a variety of sorts of things	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