Joshua 23:12
For if you turn away and cling to the rest of these nations that remain among you, and if you intermarry and associate with them,

Exodus 23:33
They must not remain in your land, lest they cause you to sin against Me. For if you serve their gods, it will surely be a snare to you."

Deuteronomy 7:2, 3
and when the LORD your God has delivered them over to you to defeat them, then you must completely destroy them. Make no treaty with them and show them no mercy. . . .

Proverbs 4:14
Do not set foot on the path of the wicked or walk in the way of evil men.

1 Corinthians 15:33
Do not be deceived: "Bad company corrupts good character."

2 Corinthians 6:14-17
Do not be unequally yoked with unbelievers. For what partnership can righteousness have with wickedness? Or what fellowship does light have with darkness? . . .

Ephesians 5:11
Have no fellowship with the fruitless deeds of darkness, but rather expose them.

neither

Exodus 23:13
Pay close attention to everything I have said to you. You must not invoke the names of other gods; they must not be heard on your lips.

Numbers 32:38
as well as Nebo and Baal-meon (whose names were changed), and Sibmah. And they renamed the cities they rebuilt.

Psalm 16:4
Sorrows will multiply to those who chase other gods. I will not pour out their libations of blood, or speak their names with my lips.

Hosea 2:17
For I will remove from her lips the names of the Baals; no longer will their names be invoked.

to swear

Jeremiah 5:7
"Why should I forgive you? Your children have forsaken Me and sworn by gods that are not gods. I satisfied their needs, yet they committed adultery and assembled at the houses of prostitutes.

Zephaniah 1:5
those who bow on the rooftops to worship the heavenly host, those who bow down and swear by the LORD but also swear by Molech,