| Heliostat | heliostat |
| Helios | Helios |
| Heldentat | heroic deed |
| Telizität | telicity |
| Seriosität | seriousness respectability |
| Thermostat | thermostat |
| Chemostat | chemostat |
| Hygrostat | humidistat |
| Heimstatt | homeland |
| Helikopter | helicopter |
| Heliotrop | heliotrope |
| Heliox | heliox |
| Heliport | heliport |
| Heliometer | heliometer |
| Helion | helion |
| Heliosphäre | heliosphere |
| Helmstedt | Helmstedt |
| Helot | helot |
| Belisar | Belisarius |
| Elisa | Elisha |