3 verses have
Lord
in Edition Clear Qur'an by Talal Itani / Al-Hadid (The Iron)

57:8What is the matter with you that you do not believe in God, when the Messenger calls you to believe in your Lord, and He has received a pledge from you, if you are believers?

57:19Those who believe in God and His messengers—these are the sincere and the witnesses with their Lord; they will have their reward and their light. But as for those who disbelieve and deny Our revelations—these are the inmates of the Blaze.

57:21Race towards forgiveness from your Lord; and a Garden as vast as the heavens and the earth, prepared for those who believe in God and His messengers. That is the grace of God; He bestows it on whomever He wills. God is the Possessor of Immense Grace.