| Interpolation | interpolation |
| Interpellation | interpellation |
| Interpretation | interpretation |
| Interpunktion | punctuation |
| Interpretin | performer |
| Integration | integration |
| Interaktion | interaction |
| Interception | interception |
| Interjektion | interjection |
| Interruption | interruption |
| Intervention | intervention |
| Intonation | intonation |
| interpolieren | interpolate |
| Kontemplation | contemplation |
| Iteration | iteration |
| Extrapolation | extrapolation |
| Perkolation | percolation |
| Interlaken | Interlaken |
| Internistin | internist |
| Interruptio | abortive |