"payback" in the noun sense
1. payback
financial return or reward (especially returns equal to the initial investment)
2. vengeance, retribution, payback
the act of taking revenge (harming someone in retaliation for something harmful that they have done) especially in the next life I will repay, saith the Lord"
"Vengeance is mine
Source: WordNet® (An amazing lexical database of English)
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