Verses with the word swear in the Apocrypha (5 verses):
1 Esdras 1:48
And after that king Nabuchodonosor had made him to swear by the name of the Lord, he forswore himself, and rebelled; and hardening his neck, his heart, he transgressed the laws of the Lord God of Israel.
I have given my daughter in marriage to seven men, who died that night they came in unto her: nevertheless for the present be merry. But Tobias said, I will eat nothing here, till we agree and swear one to another.
Wisdom of Solomon 14:29
For insomuch as their trust is in idols, which have no life; though they swear falsely, yet they look not to be hurt.
Wisdom of Solomon 14:31
For it is not the power of them by whom they swear: but it is the just vengeance of sinners, that punisheth always the offence of the ungodly.
A man that useth much swearing shall be filled with iniquity, and the plague shall never depart from his house: if he shall offend, his sin shall be upon him: and if he acknowledge not his sin, he maketh a double offence: and if he swear in vain, he shall not be innocent, but his house shall be full of calamities.