| Wassersäule | water column |
| Wasserralle | water rail |
| Wasserhärte | water hardness |
| Wasserball | water polo ball water polo |
| Wasserbau | hydraulic engineering |
| Wasserfall | waterfall cascade cataract |
| Wasserfarbe | watercolour watercolor |
| Wasserlauf | watercourse |
| Wasserläufer | water strider pond skater skater sandpiper |
| Wassermühle | water mill |
| Wasserratte | water vole |
| Wasserwaage | spirit level level |
| Wasserzähler | water meter |
| Wasserbad | bain-marie |
| Wasserbär | water bear |
| Wassergas | water gas |
| Wasserglätte | aquaplaning |
| Wasserhuhn | coot |
| Wasserhund | water dog |
| Wasserkanone | water cannon |