Numbers 30:2
If a man vow a vow to the LORD, or swear an oath to bind his soul with a bond; he shall not break his word, he shall do according to all that proceeds out of his mouth.
Torrey's Topical Textbook—AKJV

2 Chronicles 15:14,15
And they swore to the LORD with a loud voice, and with shouting, and with trumpets, and with cornets.
Torrey's Topical Textbook—AKJV

Nehemiah 10:29
They joined to their brothers, their nobles, and entered into a curse, and into an oath, to walk in God's law, which was given by Moses the servant of God, and to observe and do all the commandments of the LORD our Lord, and his judgments and his statutes;
Torrey's Topical Textbook—AKJV

Psalm 132:2
How he swore to the LORD, and vowed to the mighty God of Jacob;
Torrey's Topical Textbook—AKJV