Canon law is a set of laws, rules, and regulations that govern the practices of the Catholic Church. Some synonyms for canon law include church law, ecclesiastical law, and religious law. These terms all refer to the same body of law that outlines the practices and beliefs of the Catholic Church. Other related terms include canonistic, canonical, and canonicity. These words all describe aspects of canon law and are often used in discussions about Church practices and policies. Understanding canon law and its synonyms is important for anyone who wants to understand the inner workings of the Catholic Church and its religious practices.