| Hyphäma | hyphaema hyphema |
| Hyphe | hypha |
| Raphaela | Raffaela |
| Heysham | Heysham |
| Hochamt | High Mass |
| Hakama | hakama |
| Pyjama | pajamas pyjamas |
| Hypnos | Hypnos |
| Hypogamie | hypogamy |
| Hypotheka | hypotheca |
| Hype | hype |
| Hyperon | hyperon |
| Hypnose | hypnosis |
| Hyponym | hyponym |
| Hyposphagma | hyposphagma |
| Hypotaxe | hypotaxis |
| Hypoxie | hypoxia hypoxaemia oxygen deficiency oxygen depletion |
| hypen | hype |
| hyper- | hyper- super- |
| hypo- | hypo- |