vengar
/benˈɡaɾ/ · A2 · verb
to avenge, get even, take revenge
⚔️ vengar = a-VENGE + -ar: same Latin root, vindicare
Vengar and English avenge both come from Latin vindicare, to claim or punish. Strip the a- from avenge, add the Spanish verb ending -ar, and you have vengar. Related: venganza = vengeance.