| Hydrochinon | hydroquinone |
| Hydrochemie | hydrochemistry |
| Hydrocortison | hydrocortisone |
| Hydrochorie | hydrochory |
| Hydroxidion | hydroxide |
| hydrophil | hydrophilic |
| hydrophob | hydrophobic |
| Hydrogen | hydrogen |
| Hydrologin | hydrologist |
| Hydrauliköl | hydraulic oil |
| Hydrokortison | hydrocortisone |
| Hydronym | hydronym |
| Hydroxid | hydroxide |
| Dröhnen | boom |
| dröhnen | boom resound |
| erdröhnen | boom resound roar |
| Pyrochlor | pyrochlore |
| Indochina | French Indochina Indochinese Federation Indochinese Union Indo-China Indochina |
| Semichinon | semiquinone |
| Drachin | dragoness |