| investigator(noun, person, plant, investigate, agent) |
| spy(noun, verb, person, information, plant) |
| gumshoe(noun, law, force, slang, investigate) |
| tec |
| sleuth(noun, information, plant, watch, investigate) |
| private eye(noun, expression, idiom, agent, gumshoe) |
| snoop(noun, person, plant, agent, operative) |
| police detective(noun, expression, idiom) |
| police officer(noun, expression, idiom, officer, investigator) |
| scout(noun, verb, person, plant, watch) |
| Hawkshaw |
| constable(noun, law, person, force, bear) |
| private investigator(noun, expression, idiom, investigator) |
| cop(noun, law, person, force, bear) |
| eye(noun, informal, investigate, investigator) |
| dick(noun, slang, investigate, investigator) |
| agent(noun, plant, shadow, operative, mole) |
| inspector(noun, agent, hound, police, gumshoe) |
| policeman(noun, officer) |
| private detective(noun, expression, idiom, agent, private) |