Verses with the word mercies' in the Old Testament (4 verses):

Nehemiah 9:31
Nevertheless for thy great mercies' sake thou didst not utterly consume them, nor forsake them; for thou art a gracious and merciful God.

Psalms 6:4
Return, O LORD, deliver my soul: oh save me for thy mercies' sake.

Psalms 31:16
Make thy face to shine upon thy servant: save me for thy mercies' sake.

Psalms 44:26
Arise for our help, and redeem us for thy mercies' sake.