Espionage
Espionage noun - The secret gathering of information on others.
Usage example: the acts of espionage on behalf of the Confederacy carried on by Belle Boyd and Rose Greenhow
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Synonyms for Espionage
Intelligence is a synonym for espionage in spying topic. In some cases you can use "Intelligence" instead a noun "Espionage".
Intelligence
Intelligence noun - The ability to learn and understand or to deal with problems.
Espionage is a synonym for intelligence in information gathering topic. You can use "Espionage" instead a noun "Intelligence".
Mutual synonyms
How words are described
Both words in one sentence
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At the same time, their military has no concept of "peacetime" and "wartime" (in fact, they consider Declarations of War immensely stupid), so their intelligence/espionage wars are fought around the clock.
Source: Soldier vs. Warrior - The other books by Graham Greene that involve intelligence and espionage are similarly serving beer that's been brewed based on half-remembered recipes and substituting missing ingredients by whatever is available locally.
Source: Spy Fiction - In practice, it is a domestic intelligence and espionage agency that exclusively employs undercover agents.
Source: No Such Agency
Cite this Source
Intelligence and Espionage. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/espionage/intelligence
Espionage & Intelligence. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/espionage/intelligence>.
Intelligence or Espionage. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/espionage/intelligence.
Google Ngram Viewer shows how "espionage" and "intelligence" have occurred on timeline