Judges 11:30
And Jephthah vowed a vow to Jehovah, and said, If You will indeed give the sons of Ammon into my hand,
Genesis 28:20
And Jacob vowed a vow, saying, If God will be with me, and will keep me in this way that I go, and will give me bread to eat and clothing to put on,
1 Samuel 1:11
And she vowed a vow and said, O, Lord of Hosts, if You will indeed look upon the affliction of Your handmaid and remember me, and not forget Your handmaid, but will give to Your 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 vows a vow to Jehovah, or swears an oath to bind his soul with a bond, he shall not break his word. He shall do according to all that comes out of his mouth.
Ecclesiastes 5:1-2
Guard your steps when you go to the house of God, and be more ready to hear than to give the sacrifice of fools. For they do not know that they are doing evil.
Ecclesiastes 5:4-5
When you vow a vow to God, do not wait to pay it. For He has no pleasure in fools. Pay that which you have vowed.