parcel vs aggregation

parcel and aggregation both are nouns.

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

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

Other hypernyms of parcel include accumulation, assemblage, collection.

parcel (noun)	aggregation (noun)
the allotment of some amount by dividing something	the act of gathering something together
a wrapped container	several things grouped together or considered as a whole
a collection of things wrapped or boxed together
an extended area of land

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