| Therapeut | therapist |
| Therapeutin | therapist |
| therapeutisch | therapeutic therapeutical |
| Therapie | therapy |
| Ergotherapeut | occupational therapist |
| Ethernet | Ethernet |
| Theater | theatre theater ruckus |
| Theresa | Teresa |
| Therme | thermal bath thermal spring |
| Thermit | thermite |
| Thesaurus | thesaurus |
| therapieren | treat |
| Heraklit | Heraclitus |
| Herbert | Herbert |
| Herpes | herpes |
| Herzblut | heart and soul |
| herauf | up |
| heraus | out |
| Terawatt | terawatt |
| Tierart | animal species |