Strong’s Greek
G2849 — kolazo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
κολάζω
kolazo — pronounced kol-ad'-zo
from kolos (dwarf); properly, to curtail, i.e. (figuratively) to chastise (or reserve for infliction):--punish.
2 occurrences in the KJV.
Acts 4:21
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.
2 Peter 2:9
The Lord knoweth how to deliver the godly out of temptations, and to reserve the unjust unto the day of judgment to be punished: