| Wassertiefe | depth |
| Wasserlinse | duckweed |
| Wassernixe | mermaid |
| Wassertreter | phalarope |
| Wasserlinie | waterline water line |
| Wasserpfeife | hookah water pipe |
| Wasserpieper | water pipit |
| Wasser treten | tread water |
| Wasserhärte | water hardness |
| Wasserkresse | watercress |
| Wasserralle | water rail |
| Wasserreis | northern wild rice |
| Wasserspinne | diving bell spider |
| Wassersäule | water column |
| Wasserader | underground watercourse |
| Wasserbett | waterbed |
| Wasserbombe | depth charge hedgehog water balloon water bomb |
| Wasserbüffel | water buffalo |
| Wassereimer | water bucket |
| Wassereis | ice pop water ice |