payback vs proceeds

payback and proceeds both are nouns.

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

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

payback: financial return or reward (especially returns equal to the initial investment)
proceeds: the income or profit arising from such transactions as the sale of land or other property

Other hypernyms of payback include issue, payoff, return, take, takings, yield.

payback (noun)	proceeds (noun)
the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life	the income or profit arising from such transactions as the sale of land or other property
financial return or reward (especially returns equal to the initial investment)