| nark(noun, agent, spy, police, informer) |
| patrolman(noun, police, roper) |
| peeper(noun, agent, spy, police, informer) |
| police(noun, roper) |
| police officer(expression, idiom, agent, spy, informer) |
| policeman(noun, police, roper) |
| policewoman(noun, police, roper) |
| private eye(expression, agent, spy, informer, reporter) |
| prosecutor(noun, agent, spy, police, informer) |
| reporter(agent, spy, informer, gumshoe, investigator) |
| rocker |
| roper(noun, agent, spy, police, informer) |
| scout(agent, spy, informer, reporter, gumshoe) |
| sergeant(noun, agent, spy, police, informer) |
| shadow(agent, spy, informer, reporter, gumshoe) |
| shamus(noun, agent, spy, police, informer) |
| sleuth(agent, spy, informer, reporter, gumshoe) |
| slewfoot(noun, agent, spy, police, informer) |
| snoop(agent, spy, informer, reporter, gumshoe) |
| spy(agent, informer, reporter, gumshoe, investigator) |