Private detectives
Spies and private detectives are semantically related. In some cases you can use "Spies" instead a noun phrase "Private detectives".
Spies
Private detectives and spies are semantically related. Sometimes you can use "Private detectives" instead a noun "Spies".
Mutual synonyms
Cite this Source
Spies and Private detectives. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/private_detectives/spies
Private detectives & Spies. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/private_detectives/spies>.
Spies or Private detectives. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/private_detectives/spies.
Google Ngram Viewer shows how "private detectives" and "spies" have occurred on timeline