aftermath vs comeupance

aftermath and comeupance both are nouns.

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

As nouns, comeupance is a hyponym of aftermath; that is, comeupance is a word with a more specific, narrower meaning than aftermath:

Other hyponyms of aftermath include corollary, comeuppance, just deserts, poetic justice, fruit, sequella, train, payoff, reward, wages.

aftermath (noun)	comeupance (noun)
the outcome of an event especially as relative to an individual	an outcome (good or bad) that is well deserved and fitting
the consequences of an event (especially a catastrophic event)