| Wasserstoffbrennen | hydrogen burning |
| Wasserstoffbombe | H-bomb hydrogen bomb thermonuclear bomb |
| Wasser treten | tread water |
| wasserstoffhaltig | hydrogenous |
| Wasserspringen | diving |
| Wasserstoff | hydrogen |
| Wasserstoffatom | hydrogen atom |
| Wasserstoffperoxid | hydrogen peroxide |
| Sauerstoffbrille | nasal cannula nasal prongs oxygen spectacles |
| Wasserableiten | diversion |
| Wasserski fahren | water ski |
| Wasserskorpion | water scorpion |
| Wasserspender | water fountain |
| Wasserspinne | diving bell spider |
| Wassertreter | phalarope |
| Wasserturbine | water turbine |
| Wassersportler | water sports enthusiast water sportsman |
| Wasserstoffbrückenbindung | hydrogen bond |
| Wasserstraße | waterway |
| Wasserstrudel | vortex |