potpourri vs accumulation

potpourri and accumulation both are nouns.

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

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

Other hypernyms of potpourri include aggregation, assemblage, collection.

potpourri (noun)	accumulation (noun)
a jar of mixed flower petals and spices used as perfume	the act of accumulating
a musical composition consisting of a series of songs or other musical pieces from various sources	several things grouped together or considered as a whole
a collection containing a variety of sorts of things	(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