| Interception | interception |
| Interjektion | interjection |
| Interruption | interruption |
| Intervention | intervention |
| Interruptio | abortive |
| Interaktion | interaction |
| Untersektion | subsection |
| Interferon | interferon |
| Internistin | internist |
| Interpellation | interpellation |
| Interpretin | performer |
| interventiv | interventive intervention |
| Integration | integration |
| Intention | intention |
| Interpolation | interpolation |
| Interpretation | interpretation |
| Interpunktion | punctuation |
| Introjektion | introjection |
| Iteration | iteration |
| Exception | exception |