| Hohlzylinder | barrel |
| Achtzylinder | eight-cylinder |
| Dreizylinder | three-cylinder engine |
| Vierzylinder | four-cylinder engine |
| Zylinder | cylinder top-hat top hat |
| Holländer | Dutch rabbit Brabander Hollander |
| Hohlrinne | chamfer |
| Hohltier | coelenterate |
| Höhenlinien | contour |
| Höhlenkunde | speleology |
| Höhlenwandern | spelunking |
| Hohlziegel | cavity brick hollow brick |
| Höhenlinie | contour line isarithm isoline isopleth |
| Wohlbefinden | well-being |
| Holzlineal | wooden ruler |
| Hochländer | highlander |
| Holunder | elder |
| Hohenzoller | Hohenzollern |
| Hoheslied | Song of Songs |
| Hohlbeitel | gouge |