| Wassergas | water gas |
| Wasserglas | tumbler water glass sodium silicate |
| Wasserbad | bain-marie |
| Wasserbär | water bear |
| Wasserbau | hydraulic engineering |
| Wassereis | ice pop water ice |
| Wasserrad | waterwheel |
| Wasser- | hydraulic |
| Wasserreis | northern wild rice |
| Wasserski | water ski |
| Wasser | water |
| Wasserball | water polo ball water polo |
| Wasserfall | waterfall cascade cataract |
| Wasserhahn | faucet water tap |
| Wasserhose | waterspout |
| Wasserkran | water faucet |
| Wasserkur | course of treatment cure |
| Wasserlauf | watercourse |
| Wassermann | Aquarius Aquarian |
| Wassertank | water tank cistern |