| Hydrokortison | hydrocortisone |
| Hydrocortison | hydrocortisone |
| Hydrochinon | hydroquinone |
| Hydrologin | hydrologist |
| Hydroforming | hydroforming |
| Hydroxidion | hydroxide |
| hydroponisch | hydroponic hydroponically soilless |
| hydrostatisch | hydrostatic |
| Kortison | cortisone |
| Proportion | proportion |
| Hydroenergie | hydropower |
| Hydrokultur | hydroponics |
| hydroelektrisch | hydroelectric |
| Hydrochorie | hydrochory |
| Hydrologie | hydrology |
| Erdrotation | earth's rotation |
| hierokratisch | hierocratic |
| Proklitikon | proclitic |
| hypokoristisch | hypocoristic |
| Dekoration | decoration |