repercussion vs consequence

repercussion and consequence both are nouns.

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

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

repercussion: a remote or indirect consequence of some action
consequence: a phenomenon that follows and is caused by some previous phenomenon

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

repercussion (noun)	consequence (noun)
a movement back from an impact	having important effects or influence
a remote or indirect consequence of some action	the outcome of an event especially as relative to an individual
	a phenomenon that follows and is caused by some previous phenomenon