hit parade vs accumulation

hit parade and accumulation both are nouns.

Word	Noun	Adjective	Verb	Adverb
hit parade	Yes	No	No	No
accumulation	Yes	No	No	No

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

hit parade: a collection of the best or most popular people or items of a given kind
accumulation: several things grouped together or considered as a whole

Other hypernyms of hit parade include aggregation, assemblage, collection.

hit parade (noun)	accumulation (noun)
a ranked list of the songs that are most popular at a given time	the act of accumulating
a collection of the best or most popular people or items of a given kind	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