| Intervention | intervention |
| Interventionist | interventionist |
| Interventionistin | interventionist |
| interventiv | interventive intervention |
| Interception | interception |
| Interjektion | interjection |
| Interventionismus | interventionism |
| Intention | intention |
| Interaktion | interaction |
| Interpunktion | punctuation |
| Interruption | interruption |
| Untersektion | subsection |
| Invention | invention |
| Interferon | interferon |
| Internistin | internist |
| Interpellation | interpellation |
| Interpretin | performer |
| Interruptio | abortive |
| Integration | integration |
| Intension | tenseness |