| Subject | English | German |
| geogr. | on the upper course of the river | am Oberlauf (Andrey Truhachev) |
| tech. | upper base course | obere Tragschicht (runway construction) |
| phys. | upper course | Oberlauf (of the river) |
| tech. | upper course | Oberlauf |
| life.sc., transp. | upper course of river | oberer Lauf des Flusses |
| life.sc., transp. | upper course of river | Oberlauf des Flusses |