| Hypothek | mortgage |
| Hypotheka | hypotheca |
| Hypothekar | mortgagee |
| Hypothese | hypothesis |
| Hyphe | hypha |
| Hypotaxe | hypotaxis |
| Hypoxie | hypoxia hypoxaemia oxygen deficiency oxygen depletion |
| Apotheke | pharmacy drugstore chemist's chemist's shop |
| Artothek | picture library |
| Glyptothek | Glyptotheque |
| Hypotaxis | hypotaxis |
| Hype | hype |
| Hyperbel | hyperbola |
| Hypnose | hypnosis |
| Hypokrit | hypocrite |
| Hyponym | hyponym |
| Hypophyse | hypophysis pituitary gland |
| Hypopyon | hypopyon |
| Hypostase | hypostase |
| Hypothermie | hypothermia |