Exodus 21:30כֹּפֶר
If payment is demanded of him instead, he may redeem his life by paying the full amount demanded of him.
Numbers 35:31כֹפֶר
You are not to accept a ransom for the life of a murderer who deserves to die; he must surely be put to death.
1 Samuel 12:3כֹפֶר
Here I am. Bear witness against me before the LORD and before His anointed: Whose ox or donkey have I taken? Whom have I cheated or oppressed? From whose hand have I accepted a bribe and closed my eyes? Tell me, and I will restore it to you.”
Job 33:24כֹפֶר
to be gracious to him and say, ‘Spare him from going down to the Pit; I have found his ransom,’
Psalm 49:7כָּפְרוֹ
No man can possibly redeem his brother or pay his ransom to God.
Proverbs 6:35כֹּפֶר
He will not be appeased by any ransom, or persuaded by lavish gifts.

Brown-Driver-Briggs

כֹּפֶר n.m. the price of a life, ransom

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.