parcel vs accumulation

parcel and accumulation both are nouns.

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

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

Other hypernyms of parcel include aggregation, assemblage, collection.

parcel (noun)	accumulation (noun)
the allotment of some amount by dividing something	the act of accumulating
a wrapped container	several things grouped together or considered as a whole
a collection of things wrapped or boxed together	(finance) profits that are not paid out as dividends but are added to the capital base of the corporation
an extended area of land	an increase by natural growth or addition

parcel (verb)	accumulation (verb)
make into a wrapped container
cover with strips of canvas
divide into parts