| Hohlkopf | ding-a-ling |
| Kehlkopf | larynx |
| Mohnkopf | poppyhead |
| Holzkopf | bonehead |
| Kehlkopf- | laryngeal |
| Hitzkopf | hothead quick-tempered |
| Rotkopf | ginger |
| Hohhot | Hohhot |
| Hohlheit | speciousness |
| Hohlkehle | fillet |
| Hohltier | coelenterate |
| Hohlzahn | hemp-nettle |
| Hohlkreuz | hollow back |
| Hohlraum | cavity hollow space |
| Hohlweg | defile hollow-way ravine sunken road |
| Höhle | cave cavern hole cavity hollow |
| hohl | hollow concave muffled empty shallow |
| hoho | meh oho wow |
| höhlen | hollow out |
| wohlauf | well |