| Wassermangel | water shortage |
| Wasserangst | aquaphobia |
| Wäschemangel | mangle |
| Wasseramsel | dipper |
| Wassermann | Aquarius Aquarian |
| Wasservogel | water bird waterfowl |
| Wasserwaage | spirit level level |
| Wasserhärte | water hardness |
| Wasserjungfer | damselfly |
| Wasserkanone | water cannon |
| Wasserlinse | duckweed |
| Wasserralle | water rail |
| Wassersäule | water column |
| Wasserader | underground watercourse |
| Wasserball | water polo ball water polo |
| Wasserbüffel | water buffalo |
| Wasserfall | waterfall cascade cataract |
| Wasserfarbe | watercolour watercolor |
| Wasserkessel | kettle |
| Wasserlinie | waterline water line |