| Spiegeltherapie | mirror box |
| Spieltheorie | game theory |
| Gentherapie | gene therapy |
| Spiegelstein | selenite |
| Spiegelei | fried egg |
| Spiegelschrank | mirror cabinet mirrored wardrobe |
| Spindeltreppe | corkscrew staircase newel staircase solid newel staircase spiral newel staircase spiral staircase |
| Ergotherapie | occupational therapy |
| Madentherapie | maggot therapy |
| Ampelotherapie | ampelotherapy |
| Chemotherapie | chemotherapy |
| Gruppentherapie | group therapy |
| Logotherapie | logotherapy |
| Neuraltherapie | neural therapy |
| Physiotherapie | physiotherapy physical therapy |
| Psychotherapie | psychotherapy |
| Spielgefährte | playmate |
| Spielhalle | arcade |
| Spiegelneuron | mirror neuron |
| Spiegelstrich | dash |