| Internierung | internment |
| Intonierung | intonation |
| internieren | intern |
| Hinterziehung | evasion |
| Internierte | internee |
| Internierungslager | internment camp |
| Stornierung | cancellation |
| Inszenierung | staging production orchestration posturing |
| Intensivierung | intensification |
| Interferon | interferon |
| Internistin | internist |
| Interferenz | interference |
| Interieur | interior |
| Internalisierung | internalisation internalization internalising an externality internalizing an externality |
| integrieren | integrate |
| intendieren | intend |
| interagieren | interact |
| interponieren | mediate appeal |
| intervenieren | intervene intercede interfere |
| interviewen | interview |