rogue's gallery vs accumulation

rogue's gallery and accumulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
rogue's gallery	Yes	No	No	No
accumulation	Yes	No	No	No

As nouns, accumulation is a hypernym of rogue's gallery; that is, accumulation is a word with a broader meaning than rogue's gallery:

Other hypernyms of rogue's gallery include aggregation, assemblage, collection.

rogue's gallery (noun)	accumulation (noun)
a collection of pictures of criminals	the act of accumulating
a coterie of undesirable people	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