| blaue Stunde | blue hour |
| Blaue Blume | blue flower |
| halbe Stunde | half-hour |
| Fragestunde | Question Time |
| Klavierstunde | piano lesson |
| Bausünde | eyesore |
| Blaue Banane | Blue Banana |
| Blauzunge | blue-tongue lizard |
| blaue Karte | blue card |
| blaues Auge | black eye |
| Blauelster | azure-winged magpie |
| Blausäure | hydrogen cyanide prussic acid hydrocyanic acid |
| Bauernjunge | peasant |
| Lehrstunde | lesson |
| Lichtstunde | light-hour |
| Polizeistunde | curfew |
| Wattstunde | watt-hour |
| Wegstunde | league |
| Übstunde | rehearsal |
| Abendstunde | evening hour |