| Warmwasser | hot water |
| Wärmemesser | thermometer |
| Warmwasserboiler | water heater |
| Altwasser | oxbow lake |
| Laufwasser | run-of-the-river |
| Abwasser | wastewater waste water |
| Fahrwasser | channel |
| Salzwasser | saltwater |
| Taufwasser | baptismal water |
| Weihwasser | holy water |
| Schwarzwasser | blackwater |
| Waräger | Varangian |
| Warmblüter | warm-blooded animal warmblood |
| Warmduscher | candy-ass milksop mollycoddle wimp |
| Warnweste | safety vest high visibility vest reflective vest |
| Wärmezähler | heat meter |
| warmmachen | warm up |
| Armsessel | armchair |
| Eiswasser | ice water |
| Grauwasser | gray water |