1
wiretapping(noun, surveillance, snooping)
1
counterespionage
1
electronic surveillance
1
espionages
1
examination(noun, inspection)
1
glib
1
inspection(noun, inspection)
1
lookout
1
note
1
notice
1
observance
1
observation
1
oversight(noun, inspection)
1
preview(noun, inspection)
1
regard
1
respect
1
review(noun, inspection)
1
scrutiny(noun, inspection)
1
secret police
1
sleuthing
11 years ago|2.4k views|share |citing 
APASmart Define. (2015). espionage thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/espionage/thesaurus/synonyms
ChicagoSmart Define. 2015. "espionage thesaurus" https://smartdefine.org/espionage/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, espionage thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/espionage/thesaurus/synonyms>.
MLASmart Define. "espionage thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/espionage/thesaurus/synonyms>