| Hauptsponsor | sponsor |
| Hauptrotor | rotor |
| Hauptschnur | reef |
| Hauptspeise | main course main dish |
| Hauptnennwort | noun |
| Hauptprozessor | central processing unit |
| Hauptpunkt | gist |
| Hauptsünde | deadly sin |
| Hauptbahnhof | central station main station |
| Hauptstraße | high street main street high gate |
| Hauptton | primary stress |
| Trikotsponsor | shirt sponsor |
| Sponsor | sponsor |
| Hauptachse | major axis |
| Hauptader | mother lode |
| Hauptfigur | hero |
| Hauptprobe | dress rehearsal |
| Haupttäter | principal |
| Hauptgang | main course |
| Hauptgrund | main reason |