packet vs aggregation

packet and aggregation both are nouns.

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

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

Other hypernyms of packet include accumulation, assemblage, collection.

packet (noun)	aggregation (noun)
a small package or bundle	the act of gathering something together
a boat for carrying mail	several things grouped together or considered as a whole
(computer science) a message or message fragment
a collection of things wrapped or boxed together