| Gruppentherapie | group therapy |
| Gruppentheorie | group theory |
| Gentherapie | gene therapy |
| Gruppenoperation | group action |
| Gruppenphase | group stage |
| Madentherapie | maggot therapy |
| Graphentheorie | graph theory |
| Protonentherapie | proton therapy |
| Gruppenarbeit | groupwork |
| Gruppenehe | group marriage |
| Gruppendynamik | group dynamics |
| Ergotherapie | occupational therapy |
| Gestalttherapie | gestalt therapy |
| Hypnotherapie | hypnotherapy |
| Musiktherapie | music therapy |
| Ampelotherapie | ampelotherapy |
| Aromatherapie | aromatherapy |
| Autotherapie | autotherapy |
| Kunsttherapie | art therapy |
| Neuraltherapie | neural therapy |