| Thermalbad | hot springs |
| thermal | thermal |
| Thermostat | thermostat |
| Thekla | Thecla |
| Theresia | Teresa |
| Thermidor | Thermidor |
| Thema | theme topic subject |
| Therapeut | therapist |
| Therapie | therapy |
| Theresa | Teresa |
| Theriak | antidote |
| Therme | thermal bath thermal spring |
| Thermik | thermal |
| Thermit | thermite |
| Thessalien | Thessaly |
| thermisch | thermal |
| thermophil | thermophile thermophilic |
| Sherman | Sherman |
| herumalbern | antic |
| Heraldik | heraldry |