American Standard Version
But thou, O Lord, art a God merciful and gracious, Slow to anger, and abundant in lovingkindness and truth.

Berean Study Bible
But You, O Lord, are a compassionate and gracious God, slow to anger, abounding in loving devotion and faithfulness.

Douay-Rheims Bible
And thou, O Lord, art a God of compassion, and merciful, patient, and of much mercy, and true.

English Revised Version
But thou, O Lord, art a God full of compassion and gracious, slow to anger, and plenteous in mercy and truth.

King James Bible
But thou, O Lord, art a God full of compassion, and gracious, longsuffering, and plenteous in mercy and truth.

World English Bible
But you, Lord, are a merciful and gracious God, slow to anger, and abundant in loving kindness and truth.

Young's Literal Translation
And Thou, O Lord, art God, merciful and gracious, Slow to anger, and abundant in kindness and truth.

Psalm 86:15 Additional Translations ...