Synonyms of spies
- 1 Syllable
- sleuth, spook, scout, mole, plant, snoop
- 2 Syllables
- patrol, agent, picket, watcher, lookout, sleeper, spotter
- 3 Syllables
- observer, informer
- 4 Syllables
- emissary, detective
- 5 Syllables
- investigator, operative, intelligencer