aftereffect vs consequence

aftereffect and consequence both are nouns.

Word	Noun	Adjective	Verb	Adverb
aftereffect	Yes	No	No	No
consequence	Yes	No	No	No

As nouns, consequence is a hypernym of aftereffect; that is, consequence is a word with a broader meaning than aftereffect:

aftereffect: any result that follows its cause after an interval
consequence: a phenomenon that follows and is caused by some previous phenomenon

Other hypernyms of aftereffect include effect, event, issue, outcome, result, upshot.

aftereffect (noun)	consequence (noun)
any result that follows its cause after an interval	having important effects or influence
a delayed effect of a drug or therapy	the outcome of an event especially as relative to an individual
	a phenomenon that follows and is caused by some previous phenomenon