| Wasserglätte | aquaplaning |
| Wasserratte | water vole |
| Wasserhärte | water hardness |
| Wasserglas | tumbler water glass sodium silicate |
| Wassergas | water gas |
| Wasserlinse | duckweed |
| Wasserralle | water rail |
| Wassersäule | water column |
| Wasser lassen | make water pass water |
| Wasserbett | waterbed |
| Wasserfarbe | watercolour watercolor |
| Wasserflasche | water bottle |
| Wassergraben | moat |
| Wasserkraft | water power |
| Wasserlauf | watercourse |
| Wasserlinie | waterline water line |
| Wasserläufer | water strider pond skater skater sandpiper |
| Wasserpflanze | aquatic plant |
| Wasserrakete | water rocket |
| Wasserwaage | spirit level level |