repercussion vs outcome

repercussion and outcome both are nouns.

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

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

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

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

repercussion (noun)	outcome (noun)
a movement back from an impact	something that results
a remote or indirect consequence of some action	a phenomenon that follows and is caused by some previous phenomenon