| Hypoplasie | hypoplasia |
| Hyperplasie | hyperplasia |
| Hypogamie | hypogamy |
| Hypokrisie | hypocrisy |
| Hypophyse | hypophysis pituitary gland |
| Hypostase | hypostase |
| Hypovolämie | hypovolæmi |
| Neoplasie | neoplasm |
| Hypergamie | hypergamy |
| Hypokauste | hypocaust |
| Hypotaxis | hypotaxis |
| Hypallage | hypallage |
| Hypoglykämie | hypoglycemia hypoglycaemia |
| Hypokaliämie | hypokalaemia |
| Hyponymie | hyponymy |
| Hypotaxe | hypotaxis |
| Hypothese | hypothesis |
| Hypotonie | hypotension hypotonia hypotonicity |
| Hypoxie | hypoxia hypoxaemia oxygen deficiency oxygen depletion |
| Typografie | typography |