Strong G1557 ἐκδίκησις ekdikēsis · vengeance

Luke

1. Luke 18:7
   And shall not God avenge his own elect, which cry day and night unto him, though he bear long with them?
2. 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?
3. Luke 21:22
   For these be the days of vengeance, that all things which are written may be fulfilled.