Ezekiel 16:8
Then I passed by you and saw you, and you were indeed old enough for love. So I spread My cloak over you and covered your nakedness. I pledged Myself to you, entered into a covenant with you, and you became Mine, declares the Lord GOD.

Ezekiel 23:37, 45
For they have committed adultery, and blood is on their hands; they have committed adultery with their idols. They have even sacrificed their children, whom they bore to Me, in the fire as food for their idols. . . .

Jeremiah 2:25, 28
Keep your feet from being unshod and your throat from thirst. But you say, 'It is hopeless! I love foreign gods, and I must go after them.' . . .

Jeremiah 3:1, 8, 9, 20
"If a man divorces his wife and she leaves him to marry another, can he ever return to her? Would not such a land be completely defiled? But you have played the harlot with many lovers--and you would return to Me?" declares the LORD. . . .

Hosea 2:2
Rebuke your mother, rebuke her. For she is not My wife, and I am not her husband. Let her remove the adultery from her face and the unfaithfulness from between her breasts.

Hosea 3:1
Then the LORD said to me, "Go show love to your wife again, though she is loved by another and is an adulteress. Love her as the LORD loves the Israelites, though they turn to other gods and offer cakes of raisin."

2 Corinthians 11:2, 3
I am jealous for you with a godly jealousy. For I promised you to one husband, to present you as a pure virgin to Christ. . . .