KJV : To him that smote <05221> (8688) Egypt <04714> in their firstborn <01060>: for his mercy <02617> [endureth] for ever <05769>:

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NASB : To Him who smote the Egyptians in their firstborn, For His lovingkindness is everlasting,

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NASB# : To Him who smote<5221> the Egyptians<4714> in their firstborn<1060>, For His lovingkindness<2617> is everlasting<5769>,