The DMV, short for Department of Motor Vehicles, can be used interchangeably with other phrases to refer to the government agency responsible for regulating drivers and vehicles. Some synonyms include the Registry of Motor Vehicles, Department of Transportation, Division of Motor Vehicles, and Bureau of Motor Vehicles. These agencies have similar responsibilities and functions, which include issuing driver's licenses, registering vehicles, and providing car title and plate services. It is important to note that the specific name for this agency may differ depending on the state or country in which you reside.