revenge noun
(the act of hurting someone who has hurt you or someone you care about)
- She swore to take revenge on her attacker.
- While seeking revenge, dig two graves – one for yourself. Douglas Horton
avenge verb
(to punish or harm someone who has harmed you or someone you care about)
- He promised to avenge his brother’s death.
- The team wanted to avenge their defeat earlier in the season.