problematics vs aggregation

problematics and aggregation both are nouns.

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

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

problematics: the uncertainties or difficulties inherent in a situation or plan.
aggregation: several things grouped together or considered as a whole

Other hypernyms of problematics include accumulation, assemblage, collection.

problematics (noun)	aggregation (noun)
the uncertainties or difficulties inherent in a situation or plan.	the act of gathering something together
	several things grouped together or considered as a whole