Asia vs aggregation

Asia and aggregation both are nouns.

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

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

Other hypernyms of Asia include accumulation, assemblage, collection.

Asia (noun)	aggregation (noun)
the nations of the Asian continent collectively	the act of gathering something together
the largest continent with 60% of the earth's population; it is joined to Europe on the west to form Eurasia; it is the site of some of the world's earliest civilizations	several things grouped together or considered as a whole