| Hornstoff | keratin |
| Harnstoff | urea |
| Hornstein | chert |
| Botenstoff | messenger semiochemical |
| Farbstoff | dye |
| Heizstoff | fuel |
| Rohstoff | raw material feedstock commodity resource |
| Werkstoff | material |
| Wertstoff | recyclable material |
| Wirkstoff | active substance |
| Hornist | bugler |
| hornlos | hornless |
| Horoskop | horoscope |
| Horst | eyrie |
| Hörsturz | sudden deafness |
| Hirnstamm | brain stem |
| Satinstoff | satin |
| nonstop | nonstop |
| Brennstoff | fuel combustible |
| Kohlenstoff | carbon |