payback vs retaliation

payback and retaliation both are nouns.

Word	Noun	Adjective	Verb	Adverb
payback	Yes	No	No	No
retaliation	Yes	No	No	No

As nouns, retaliation is a hypernym of payback; that is, retaliation is a word with a broader meaning than payback:

payback: the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life
retaliation: action taken in return for an injury or offense

Other hypernyms of payback include revenge.

payback (noun)	retaliation (noun)
the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life	action taken in return for an injury or offense
financial return or reward (especially returns equal to the initial investment)