Synonyms and related words :
avengement, avenging, blood feud, counterblow, energetically, enthusiastically, ferociously, feud, fiercely, forcefully, furiously, getting even, repayment, reprisal, requital, retaliation, retribution, return, revanche, revanchism, revenge, revengefulness, sweet revenge, vehemently, vendetta, vengefulness, violently, wholeheartedly, wildly, with a vengeance