| Subject | English | German |
| met. | to underream | unterschneiden |
| mining. | underream bit | Nachschneider |
| mining. | underream bit | Erweiterungsbohrer (beim Seilschlagbohren) |
| mining. | underream bit | Nachschneidemeißel |
| mining. | underream cutter | Schneidbacken (eines Nachschneiders) |
| mining. | underream dog | Unterschneidemesser |
| mining. | underream lug | Schneidbacken (eines Nachschneiders) |