| Albtraum | nightmare bad dream |
| albtraumhaft | nightmarish |
| Alptraum | nightmare |
| albtraumartig | nightmarish |
| Abraum | spoil |
| Album | album |
| Abtrag | abrasion |
| Haftraum | cell |
| Tagtraum | daydream |
| Klartraum | lucid dream |
| Luftraum | airspace |
| Traum | dream |
| Wachtraum | daydream |
| Weltraum | space |
| Zeitraum | period space |
| Hallraum | echo chamber |
| Altarraum | chancel presbytery |
| Hubraum | piston displacement pistone swept volume |
| Subraum | hyperspace subspace |
| Amberbaum | liquidambar |