| Haftraum | cell |
| Luftraum | airspace |
| Tagtraum | daydream |
| Hallraum | echo chamber |
| Hofraum | court |
| Hafturlaub | furlough |
| Hafnium | hafnium |
| haftbar | accountable liable |
| Alptraum | nightmare |
| Albtraum | nightmare bad dream |
| Klartraum | lucid dream |
| Traum | dream |
| Wachtraum | daydream |
| Weltraum | space |
| Zeitraum | period space |
| Abraum | spoil |
| Lafraun | Lavarone |
| Warteraum | lounge |
| Hohlraum | cavity hollow space |
| Hubraum | piston displacement pistone swept volume |