Strong H5358 נָקַם nâqam · to avenge

Leviticus

1. Leviticus 19:18
   Thou shalt not avenge, nor bear any grudge against the children of thy people, but thou shalt love thy neighbour as thyself: I am the Lord.
2. Leviticus 26:25
   And I will bring a sword upon you, that shall avenge the quarrel of my covenant: and when ye are gathered together within your cities, I will send the pestilence among you; and ye shall be delivered into the hand of the enemy.