Kyrie eleison is an ancient Greek phrase that translates to "Lord, have mercy" in English. There are several synonyms that can be used for this phrase, including "Christe eleison," which means "Christ, have mercy," and "Donna nobis pacem," which translates to "Grant us peace." Another synonym is "Miserere nobis," which is a Latin phrase that means "Have mercy on us." Additionally, "Agnus Dei," which translates to "Lamb of God," is often used as a synonym for Kyrie eleison in certain religious contexts. These synonyms all convey a similar message, asking for mercy and peace from a higher power.