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| тайна; секрет | |||
| секретность | |||
| военная тайна | |||
| Geheimnis: 194 phrases in 14 subjects |
| Bookish / literary | 2 |
| Christianity | 3 |
| Clerical | 1 |
| Economy | 2 |
| Finances | 3 |
| General | 128 |
| Informal | 2 |
| Ironical | 2 |
| Law | 29 |
| Military | 16 |
| Obsolete / dated | 1 |
| Pompous | 3 |
| Psychology | 1 |
| Swiss term | 1 |