| Hauptplatine | motherboard mainboard system board |
| Häuptling | chieftain chief clan chief headman tribal chief boss bigwig |
| Hauptachse | major axis |
| Hauptgewinn | jackpot |
| Hauptleitung | main |
| Hauptprobe | dress rehearsal |
| Haupttäter | principal |
| Hauptgang | main course |
| Haupthafen | main port |
| Hauptmann | captain |
| Hauptquartier | headquarters |
| Hauptsache | main thing |
| Hauptsatz | independent clause main clause principal clause |
| Hauptseite | main page |
| Hauptspeise | main course main dish |
| Hauptton | primary stress |
| Hautärztin | dermatologist |
| Hotplate | hotplate |
| Steckplatine | breadboard |
| Hypoplasie | hypoplasia |