Numbers 25:3

3 So ^aIsrael joined themselves to ¹Baal of Peor, and the anger of Yahweh burned against Israel.

1 Corinthians 6:16

16 Or ^ado you not know that the one who joins himself to a prostitute is one body with her? For He says, “^bThe two shall become one flesh.”

17 But the one who joins himself to the Lord is ^aone spirit with Him.