补金的字在五行理论中指的是那些能够增强金属性（金）的字。以下是一些补金的字：
1. 金字旁的字：
铭、锦、铮、锋、锦、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇、镇