| Subraum | hyperspace subspace |
| Hubraum | piston displacement pistone swept volume |
| Rubrum | caption |
| Abraum | spoil |
| Subha | misbaha |
| Subregnum | subkingdom |
| sublim | sublime |
| Bräu | brew |
| Braue | eyebrow brow |
| Braun | brown Brown |
| braun | brown swarthy tan |
| Braut | bride fiancée bird girl |
| Gebräu | brew |
| Fußraum | footwell |
| K-Raum | control room |
| Kühlraum | larder |
| Serau | serow |
| Albtraum | nightmare bad dream |
| Hofraum | court |
| Luftraum | airspace |