| Inthronisation | enthronement |
| Synchronisation | dubbing |
| Internistin | internist |
| Intonation | intonation |
| Intoxikation | intoxication |
| inthronisieren | enthrone crown |
| Ionisation | ionization ionisation |
| Improvisation | improvisation |
| Interpellation | interpellation |
| Interpolation | interpolation |
| Interpretation | interpretation |
| Introjektion | introjection |
| Introspektion | introspection |
| Chronistin | chronicler |
| Dekolonisation | decolonization decolonisation |
| Kanonisation | canonization |
| Kolonisation | colonisation |
| Photoionisation | photoionization |
| Sterilisation | sterilization |
| Autorisation | authorisation authorization |