2
Secret Service(noun, agency)
2
intelligence work(noun, expression)
2
political police(noun, expression)
1
bugging
1
cloak-and-dagger work
1
constabulary
1
counterespionage
1
counterintelligence
1
county police
1
electronic surveillance
1
espial
1
espionage
1
following
1
highway patrol
1
intelligence
1
law enforcement agency(expression, idiom)
1
military intelligence
1
military police
1
observation
1
police
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APASmart Define. (2015). secret police thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/secret_police/thesaurus/synonyms
ChicagoSmart Define. 2015. "secret police thesaurus" https://smartdefine.org/secret_police/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, secret police thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/secret_police/thesaurus/synonyms>.
MLASmart Define. "secret police thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/secret_police/thesaurus/synonyms>