| Thermostat | thermostat |
| Chemostat | chemostat |
| Heliostat | heliostat |
| Theodosia | Feodosiya |
| Theresia | Teresa |
| Thermosphäre | thermosphere |
| Theresa | Teresa |
| Thermalbad | hot springs |
| Thermit | thermite |
| Thermometer | thermometer |
| Thermoskanne | thermos |
| thermal | thermal |
| thermisch | thermal |
| thermophil | thermophile thermophilic |
| Hermesstab | caduceus |
| geröstet | roasted |
| verrostet | rusty |
| Gyrostat | gyrostat |
| Hygrostat | humidistat |
| Heimstatt | homeland |