| Hydrathülle | hydration shell |
| Hydraulik | hydraulics hydraulic system |
| Wursthülle | sausage casing |
| Hydrat | hydrate |
| Hydrochemie | hydrochemistry |
| Hydrochorie | hydrochory |
| hydrophil | hydrophilic |
| Worthülse | catchword empty phrase empty word shell |
| CD-Hülle | jewel case |
| Kernhülle | nuclear membrane |
| machulle | broke exhausted insane mad nuts |
| Schatulle | casket |
| Sporthalle | sports hall gymnasium |
| Hydra | Hydra Lernaean Hydra |
| Hydrochinon | hydroquinone |
| Hydroenergie | hydropower |
| Hydrogenase | hydrogenase |
| Hydrokultur | hydroponics |
| Hydrosphäre | hydrosphere |
| Hydroxyl | hydroxyl |