The term SPIES, E.G. can be defined as AGENTS, a 6 letter word. Spies are individuals who are employed by governments or other organizations to secretly collect information on their behalf. They often use covert methods such as surveillance and infiltration to gather intelligence. Spies have been used throughout history to gain an advantage in warfare and espionage. In modern times, they are still employed to protect national security and to uncover secrets of rival nations.