Mercy of God

The LORD is merciful, and gracious, slow to anger, and plenteous in mercy. Psalms 103:8

Who redeems thy life from destruction; Who crowns thee with lovingkindness and tender mercies. Psalms 103:4

O give thanks unto the LORD; for He is good: for His mercy endures for ever. Psalms 136:1

But God, who is rich in mercy, for His great love wherewith He loved us, Ephesians 2:4

Blessed be God, even the Father of our Lord Jesus Christ, the Father of mercies, and the God of all comfort; 2 Corinthians 1:3

It is of the LORD's mercies that we are not consumed, because His compassions fail not. They are new every morning: great is Thy faithfulness. Lamentations 3:22,23

The Hebrew word for Mercy is Chesed.

OT:2617 checed

(kheh'-sed); from OT:2616; kindness; by implication (towards God) piety: rarely (by opposition) reproof, or (subject.) beauty:

KJV - favour, good deed (-liness, -ness), kindly, (loving-) kindness, merciful (kindness), mercy, pity, reproach, wicked thing.
(Biblesoft's New Exhaustive Strong's Numbers and Concordance with Expanded Greek-Hebrew Dictionary. Copyright (c) 1994, Biblesoft and International Bible Translators, Inc.)

The Greek word for Mercy is Oiktirmos.

NT:3628 oiktirmos

(oyk-tir-mos'); from NT:3627; pity:

KJV - mercy.
(Biblesoft's New Exhaustive Strong's Numbers and Concordance with Expanded Greek-Hebrew Dictionary. Copyright (c) 1994, Biblesoft and International Bible Translators, Inc.)