Verses with the word swear in the Old Testament (45 verses):

Genesis 21:23
Now therefore swear unto me here by God that thou wilt not deal falsely with me, nor with my son, nor with my son's son: but according to the kindness that I have done unto thee, thou shalt do unto me, and to the land wherein thou hast sojourned.

Genesis 21:24
And Abraham said, I will swear.

Genesis 24:3
And I will make thee swear by the LORD, the God of heaven, and the God of the earth, that thou shalt not take a wife unto my son of the daughters of the Canaanites, among whom I dwell:

Genesis 24:37
And my master made me swear, saying, Thou shalt not take a wife to my son of the daughters of the Canaanites, in whose land I dwell:

Genesis 25:33
And Jacob said, Swear to me this day; and he sware unto him: and he sold his birthright unto Jacob.

Genesis 47:31
And he said, Swear unto me. And he sware unto him. And Israel bowed himself upon the bed's head.

Genesis 50:5
My father made me swear, saying, Lo, I die: in my grave which I have digged for me in the land of Canaan, there shalt thou bury me. Now therefore let me go up, I pray thee, and bury my father, and I will come again.

Genesis 50:6
And Pharaoh said, Go up, and bury thy father, according as he made thee swear.

Exodus 6:8
And I will bring you in unto the land, concerning the which I did swear to give it to Abraham, to Isaac, and to Jacob; and I will give it you for an heritage: I am the LORD.

Leviticus 5:4
Or if a soul swear, pronouncing with his lips to do evil, or to do good, whatsoever it be that a man shall pronounce with an oath, and it be hid from him; when he knoweth of it, then he shall be guilty in one of these.

Leviticus 19:12
And ye shall not swear by my name falsely, neither shalt thou profane the name of thy God: I am the LORD.

Numbers 30:2
If a man vow a vow unto 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 proceedeth out of his mouth.

Deuteronomy 6:13
Thou shalt fear the LORD thy God, and serve him, and shalt swear by his name.

Deuteronomy 10:20
Thou shalt fear the LORD thy God; him shalt thou serve, and to him shalt thou cleave, and swear by his name.

Joshua 2:12
Now therefore, I pray you, swear unto me by the LORD, since I have shewed you kindness, that ye will also shew kindness unto my father's house, and give me a true token:

Joshua 2:17
And the men said unto her, We will be blameless of this thine oath which thou hast made us swear.

Joshua 2:20
And if thou utter this our business, then we will be quit of thine oath which thou hast made us to swear.

Joshua 23:7
That ye come not 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 yourselves unto them:

Judges 15:12
And they said unto him, We are come down to bind thee, that we may deliver thee into the hand of the Philistines. And Samson said unto them, Swear unto me, that ye will not fall upon me yourselves.

1 Samuel 20:17
And Jonathan caused David to swear again, because he loved him: for he loved him as he loved his own soul.

1 Samuel 24:21
Swear now therefore unto me by the LORD, that thou wilt not cut off my seed after me, and that thou wilt not destroy my name out of my father's house.

1 Samuel 30:15
And David said to him, Canst thou bring me down to this company? And he said, Swear unto me by God, that thou wilt neither kill me, nor deliver me into the hands of my master, and I will bring thee down to this company.

2 Samuel 19:7
Now therefore arise, go forth, and speak comfortably unto thy servants: for I swear by the LORD, if thou go not forth, there will not tarry one with thee this night: and that will be worse unto thee than all the evil that befell thee from thy youth until now.

1 Kings 1:13
Go and get thee in unto king David, and say unto him, Didst not thou, my lord, O king, swear unto thine handmaid, saying, Assuredly Solomon thy son shall reign after me, and he shall sit upon my throne? why then doth Adonijah reign?

1 Kings 1:51
And it was told Solomon, saying, Behold, Adonijah feareth king Solomon: for, lo, he hath caught hold on the horns of the altar, saying, Let king Solomon swear unto me today that he will not slay his servant with the sword.

1 Kings 2:42
And the king sent and called for Shimei, and said unto him, Did I not make thee to swear by the LORD, and protested unto thee, saying, Know for a certain, on the day thou goest out, and walkest abroad any whither, that thou shalt surely die? and thou saidst unto me, The word that I have heard is good.

1 Kings 8:31
If any man trespass against his neighbour, and an oath be laid upon him to cause him to swear, and the oath come before thine altar in this house:

2 Chronicles 6:22
If a man sin against his neighbour, and an oath be laid upon him to make him swear, and the oath come before thine altar in this house;

2 Chronicles 36:13
And he also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart from turning unto the LORD God of Israel.

Ezra 10:5
Then arose Ezra, and made the chief priests, the Levites, and all Israel, to swear that they should do according to this word. And they sware.

Nehemiah 13:25
And I contended with them, and cursed them, and smote certain of them, and plucked off their hair, and made them swear by God, saying, Ye shall not give your daughters unto their sons, nor take their daughters unto your sons, or for yourselves.

Isaiah 3:7
In that day shall he swear, saying, I will not be an healer; for in my house is neither bread nor clothing: make me not a ruler of the people.

Isaiah 19:18
In that day shall five cities in the land of Egypt speak the language of Canaan, and swear to the LORD of hosts; one shall be called, The city of destruction.

Isaiah 45:23
I have sworn by myself, the word is gone out of my mouth in righteousness, and shall not return, That unto me every knee shall bow, every tongue shall swear.

Isaiah 48:1
Hear ye this, O house of Jacob, which are called by the name of Israel, and are come forth out of the waters of Judah, which swear by the name of the LORD, and make mention of the God of Israel, but not in truth, nor in righteousness.

Isaiah 65:16
That he who blesseth himself in the earth shall bless himself in the God of truth; and he that sweareth in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from mine eyes.

Jeremiah 4:2
And thou shalt swear, The LORD liveth, in truth, in judgment, and in righteousness; and the nations shall bless themselves in him, and in him shall they glory.

Jeremiah 5:2
And though they say, The LORD liveth; surely they swear falsely.

Jeremiah 7:9
Will ye steal, murder, and commit adultery, and swear falsely, and burn incense unto Baal, and walk after other gods whom ye know not;

Jeremiah 12:16
And it shall come to pass, if they will diligently learn the ways of my people, to swear by my name, The LORD liveth; as they taught my people to swear by Baal; then shall they be built in the midst of my people.

Jeremiah 22:5
But if ye will not hear these words, I swear by myself, saith the LORD, that this house shall become a desolation.

Jeremiah 32:22
And hast given them this land, which thou didst swear to their fathers to give them, a land flowing with milk and honey;

Hosea 4:15
Though thou, Israel, play the harlot, yet let not Judah offend; and come not ye unto Gilgal, neither go ye up to Bethaven, nor swear, The LORD liveth.

Amos 8:14
They that swear by the sin of Samaria, and say, Thy god, O Dan, liveth; and, The manner of Beersheba liveth; even they shall fall, and never rise up again.

Zephaniah 1:5
And them that worship the host of heaven upon the housetops; and them that worship and that swear by the LORD, and that swear by Malcham;