Verses with the word needs in the Old Testament (6 verses):

Genesis 17:13
He that is born in thy house, and he that is bought with thy money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.

Genesis 19:9
And they said, Stand back. And they said again, This one fellow came in to sojourn, and he will needs be a judge: now will we deal worse with thee, than with them. And they pressed sore upon the man, even Lot, and came near to break the door.

Genesis 24:5
And the servant said unto him, Peradventure the woman will not be willing to follow me unto this land: must I needs bring thy son again unto the land from whence thou camest?

Genesis 31:30
And now, though thou wouldest needs be gone, because thou sore longedst after thy father's house, yet wherefore hast thou stolen my gods?

2 Samuel 14:14
For we must needs die, and are as water spilt on the ground, which cannot be gathered up again; neither doth God respect any person: yet doth he devise means, that his banished be not expelled from him.

Jeremiah 10:5
They are upright as the palm tree, but speak not: they must needs be borne, because they cannot go. Be not afraid of them; for they cannot do evil, neither also is it in them to do good.