| English | eng-000 |
| inquiry into | |
| Deutsch | deu-000 | Ermittlung |
| Deutsch | deu-000 | Grübeln |
| Deutsch | deu-000 | Nachforschung |
| Deutsch | deu-000 | Untersuchung |
| Deutsch | deu-000 | eingehende Untersuchung |
| Deutsch | deu-000 | gründliche Forschung |
| English | eng-000 | digging into |
| English | eng-000 | enquiry into |
| English | eng-000 | excavation |
| English | eng-000 | exploration |
| English | eng-000 | investigation |
| English | eng-000 | prying |
| English | eng-000 | scrutiny |
| English | eng-000 | search |
| 日本語 | jpn-000 | 穿鑿 |
| 日本語 | jpn-000 | 詮索 |
| русский | rus-000 | исследование |
| русский | rus-000 | поиски |
| русский | rus-000 | розыски |