G1556–ἐκδικέω–ekdikeō

And there was a widow in that city; and she came to him, saying, Avenge me of my adversary.

ἐκδίκησόν ekdikēson “do avenge”

Yet because this widow troubleth me, I will avenge her, lest by her continual coming she weary me.

ἐκδικήσω ekdikēsō “I will avenge”

Dearly beloved, avenge not yourselves, but rather give place to wrath: for it is written, Vengeance is mine; I will repay, saith the Lord.

ἐκδικοῦντες, ekdikountes “avenging,”

And having in a readiness to avenge all disobedience, when your obedience is fulfilled.

ἐκδικῆσαι ekdikēsai “to avenge”

And they cried with a loud voice, saying, How long, O Lord, holy and true, dost thou not judge and avenge our blood on them that dwell on the earth?

ἐκδικεῖς ekdikeis “you avenge”

For true and righteous are his judgments: for he hath judged the great harlot, who corrupted the earth with her lewdness, and hath avenged the blood of his servants at her hand.

ἐξεδίκησεν exedikēsen “He has avenged”