'Swear' in the Bible

Now therefore, please swear to me by Yahweh, since I have dealt kindly with you, that you also will deal kindly with my father's house, and give me a true token;

The men said to her, "We will be guiltless of this your oath which you have made us to swear.

But if you talk about this business of ours, then we shall be guiltless of your oath which you have made us to swear."

that you not come among these nations, these that remain among you; neither make mention of the name of their gods, nor cause to swear by them, neither serve them, nor bow down yourselves to them;