There are a variety of synonyms that can be used to describe a paramilitary unit. One common term is "armed group", which refers to a group of individuals who are organized around the use of weapons and are usually involved in some form of political or ideological struggle. Other synonyms include "militia", "vigilante group", "paramilitary force", and "irregulars". Each of these terms describes a group of individuals who are armed and organized but may operate outside the constraints of legal authority. While the specific terminology may vary, all of these groups share a common goal of using violence to achieve their objectives.