The term "had mercy on" refers to showing kindness, compassion and forgiveness towards someone who is in a difficult situation or who has done wrong. The word "pity" is one such synonym that relates to "having mercy". Other synonyms include "grace", "sympathy", "compassion", "empathy", "leniency", and "forgiveness". Each of these words encompass a sense of understanding, generosity and benevolence towards those in need or who have made mistakes. To have mercy on someone means to empathize with them and to offer help and support in difficult circumstances. The use of synonyms allows for variation in style and tone, expressing the same idea in different ways.