Verses with the word revenge in the Old Testament (3 verses):
O LORD, thou knowest: remember me, and visit me, and revenge me of my persecutors; take me not away in thy longsuffering: know that for thy sake I have suffered rebuke.
For I heard the defaming of many, fear on every side. Report, say they, and we will report it. All my familiars watched for my halting, saying, Peradventure he will be enticed, and we shall prevail against him, and we shall take our revenge on him.
Thus saith the Lord GOD; Because the Philistines have dealt by revenge, and have taken vengeance with a despiteful heart, to destroy it for the old hatred;