aftermath vs outcome

aftermath and outcome both are nouns.

Word	Noun	Adjective	Verb	Adverb
aftermath	Yes	No	No	No
outcome	Yes	No	No	No

As nouns, outcome is a hypernym of aftermath; that is, outcome is a word with a broader meaning than aftermath:

Other hypernyms of aftermath include final result, result, resultant, termination.

As nouns, outcome is a hypernym of aftermath; that is, outcome is a word with a broader meaning than aftermath:

aftermath: the consequences of an event (especially a catastrophic event)
outcome: a phenomenon that follows and is caused by some previous phenomenon

Other hypernyms of aftermath include consequence, effect, event, issue, result, upshot.

aftermath (noun)	outcome (noun)
the outcome of an event especially as relative to an individual	something that results
the consequences of an event (especially a catastrophic event)	a phenomenon that follows and is caused by some previous phenomenon