G1557 — ekdikesis
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
ekdikesis — pronounced ek-dik'-ay-sis
from 1556; vindication, retribution:--(a-, re-)venge(-ance), punishment. see GREEK for 1556
8 occurrences in the KJV.
Luke 18:7
And shall not God avenge his own elect, which cry day and night unto him, though he bear long with them?
Luke 18:8
I tell you that he will avenge them speedily. Nevertheless when the Son of man cometh, shall he find faith on the earth?
Luke 21:22
For these be the days of vengeance, that all things which are written may be fulfilled.
Romans 12:19
Dearly beloved, avenge not yourselves, but rather give place unto wrath: for it is written, Vengeance is mine; I will repay, saith the Lord.
2 Corinthians 7:11
For behold this selfsame thing, that ye sorrowed after a godly sort, what carefulness it wrought in you, yea, what clearing of yourselves, yea, what indignation, yea, what fear, yea, what vehement desire, yea, what zeal, yea, what revenge! In all things ye have approved yourselves to be clear in this matter.
2 Thessalonians 1:8
In flaming fire taking vengeance on them that know not God, and that obey not the gospel of our Lord Jesus Christ:
Hebrews 10:30
For we know him that hath said, Vengeance belongeth unto me, I will recompense, saith the Lord. And again, The Lord shall judge his people.
1 Peter 2:14
Or unto governors, as unto them that are sent by him for the punishment of evildoers, and for the praise of them that do well.