Judges 11:30
And Jephthah made a vow to the LORD, and said, "If thou wilt give the Ammonites into my hand,
Genesis 28:20
And Jacob vowed a vow, saying, If God will be with me, and keep me on this road that I go, and will give me bread to eat, and a garment to put on,
1 Samuel 1:11
And she vowed a vow, and said, O Jehovah of hosts, if thou wilt indeed look on the affliction of thy handmaid, and remember me, and not forget thy handmaid, but wilt give unto thy handmaid a man child, then I will give him to Jehovah all the days of his life, and there shall no razor come upon his head.
Numbers 30:2-16
If a man vow a vow to Jehovah, or swear an oath to bind his soul with a bond, he shall not break his word; according to all that hath gone out of his mouth shall he do.
Ecclesiastes 5:1-2
Keep thy foot when thou goest to the house of God, and draw near to hear, rather than to give the sacrifice of fools: for they know not that they do evil.
Ecclesiastes 5:4-5
When thou vowest a vow unto God, defer not to pay it; for he hath no pleasure in fools: pay that which thou hast vowed.