repercussion vs event

repercussion and event both are nouns.

Word	Noun	Adjective	Verb	Adverb
repercussion	Yes	No	No	No
event	Yes	No	No	No

As nouns, event is a hypernym of repercussion; that is, event is a word with a broader meaning than repercussion:

Other hypernyms of repercussion include consequence, effect, issue, outcome, result, upshot.

repercussion (noun)	event (noun)
a movement back from an impact	something that happens at a given place and time
a remote or indirect consequence of some action	a phenomenon located at a single point in space-time; the fundamental observational entity in relativity theory
	a phenomenon that follows and is caused by some previous phenomenon
	a special set of circumstances