| Deutsch | deu-000 |
| heimliche Untersuchung | |
| Deutsch | deu-000 | heimliche Nachforschung |
| Deutsch | deu-000 | insgeheime Ausforschung |
| English | eng-000 | private enquiry |
| English | eng-000 | private inquiry |
| English | eng-000 | reconnaissance |
| English | eng-000 | scouting |
| English | eng-000 | secret investigation |
| français | fra-000 | espionnage |
| français | fra-000 | investigation secrète |
| 日本語 | jpn-000 | 内偵 |