G2849–κολάζω–kolazō

So when they had further threatened them, they let them go, finding nothing how they might punish them, because of the people: for all men glorified God for that which was done.

κολάσωνται kolasōntai “they may punish”

The Lord knoweth how to deliver the godly out of temptations, and to reserve the unjust to the day of judgment to be punished:

κολαζομένους kolazomenous “being punished”