Verses with the word reins in the Old Testament (14 verses):

Job 16:13
His archers compass me round about, he cleaveth my reins asunder, and doth not spare; he poureth out my gall upon the ground.

Job 19:27
Whom I shall see for myself, and mine eyes shall behold, and not another; though my reins be consumed within me.

Psalms 7:9
Oh let the wickedness of the wicked come to an end; but establish the just: for the righteous God trieth the hearts and reins.

Psalms 16:7
I will bless the LORD, who hath given me counsel: my reins also instruct me in the night seasons.

Psalms 26:2
Examine me, O LORD, and prove me; try my reins and my heart.

Psalms 73:21
Thus my heart was grieved, and I was pricked in my reins.

Psalms 139:13
For thou hast possessed my reins: thou hast covered me in my mother's womb.

Proverbs 23:16
Yea, my reins shall rejoice, when thy lips speak right things.

Isaiah 11:5
And righteousness shall be the girdle of his loins, and faithfulness the girdle of his reins.

Jeremiah 11:20
But, O LORD of hosts, that judgest righteously, that triest the reins and the heart, let me see thy vengeance on them: for unto thee have I revealed my cause.

Jeremiah 12:2
Thou hast planted them, yea, they have taken root: they grow, yea, they bring forth fruit: thou art near in their mouth, and far from their reins.

Jeremiah 17:10
I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.

Jeremiah 20:12
But, O LORD of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause.

Lamentations 3:13
He hath caused the arrows of his quiver to enter into my reins.