Origin: French suffix -age
Espionage has 2 different meanings across 1 category:
the systematic use of spies to get military or political secrets
"The intelligence agency launched a massive operation to expose the country's involvement in international espionage, which had been leaking top-secret defense plans for years."
The act or process of learning secret information through clandestine means.
"The intelligence agency launched a sophisticated campaign of espionage to uncover the rival company's trade secrets before their official announcement."