| Reinkarnationstherapie | past life regression |
| Informationstheorie | information theory |
| Reinkarnation | reincarnation metempsychosis transmigration of souls |
| Informationsicherheit | information security |
| Konspirationstheorie | conspiracy theory |
| Informationstechnik | information technology |
| Menstruationstasse | menstrual cup |
| Beschäftigungstherapie | busy work |
| Pharmakotherapie | pharmacotherapy |
| Radiotherapie | radiotherapy |
| Inkarnation | incarnation |
| Inkubationszeit | incubation period |
| Internationale | Internationale |
| Informationskrieg | information warfare |
| Demarkationslinie | line of demarcation |
| Reformationstag | Reformation Day |
| Restaurationsbetrieb | restaurant |
| enantiotrope | enantiotropic |
| Evolutionstheorie | theory of evolution |
| Kunsttherapie | art therapy |