| Hypophyse | hypophysis pituitary gland |
| Hypothese | hypothesis |
| Hypoplasie | hypoplasia |
| Hypopyon | hypopyon |
| Hypostase | hypostase |
| Epiphyse | pineal gland |
| Symphyse | symphysis |
| Hyphe | hypha |
| Hypogamie | hypogamy |
| Hypokauste | hypocaust |
| Hypotheka | hypotheca |
| Hypnose | hypnosis |
| Hypokrisie | hypocrisy |
| Hyponym | hyponym |
| Hyponymie | hyponymy |
| Hypotaxe | hypotaxis |
| Hypotenuse | hypotenuse |
| Hypothek | mortgage |
| Hypothyreose | hypothyroidism |
| Hypotonie | hypotension hypotonia hypotonicity |