Penal law is a term used to describe the set of laws and regulations that govern various criminal activities and their corresponding punishments. However, there are several synonyms that can be used interchangeably with this term. These include criminal law, penal code, criminal code, and penal statute. Additionally, some other terms that could be used to describe penal law include criminal justice, criminal enforcement, and criminal legislation. Each of these terms is used to refer to the set of laws and regulations that govern the punishment and prevention of criminal activities. In brief, these synonyms can help to clarify and simplify discussions about the legal system and justice for all people.