Espionage and Underground activity

Espionage

Espionage noun - The secret gathering of information on others.
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Synonyms for Espionage

Underground activity and espionage are semantically related. In some cases you can use "Underground activity" instead a noun "Espionage".

Underground activity

Definitions of Espionage not found.

Espionage and underground activity are semantically related. Sometimes you can use "Espionage" instead a noun phrase "Underground activity".
Cite this Source
Underground activity and Espionage. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/espionage/underground_activity
Espionage & Underground activity. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/espionage/underground_activity>.
Underground activity or Espionage. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/espionage/underground_activity.
Google Ngram Viewer shows how "espionage" and "underground activity" have occurred on timeline