| Wasserkreislauf | water cycle |
| Körperkreislauf | systemic circulation |
| Wasserkresse | watercress |
| Wasserreis | northern wild rice |
| Wasserlauf | watercourse |
| Lungenkreislauf | pulmonary circulation |
| Wassereis | ice pop water ice |
| Wasserkanister | water can |
| Wasserkessel | kettle |
| Wasserkraft | water power |
| Wasserkran | water faucet |
| Phosphorkreislauf | phosphorus cycle |
| Geldkreislauf | circulation |
| Herz-Kreislauf | cardiovascular |
| Blutkreislauf | blood circulation circulation |
| Kreislauf | circulation |
| Wasserkastanie | water chestnut |
| Wasserklosett | toilet water closet |
| Wasseropossum | yapok |
| Wasserralle | water rail |