| instationär | transient |
| stationär | stationary |
| inflationär | inflationary |
| geostationär | geostationary |
| Infestation | infestation |
| Endstation | terminus end of the line |
| Station | station ward |
| Imitation | imitation |
| Notation | musical notation |
| Nutation | nutation |
| Initiation | initiation |
| kreationär | creationarily |
| Inflation | inflation |
| Ipsation | masturbation |
| irrational | irrational |
| national | national |
| intentional | intentional |
| Insertio | minionette |
| Instabilität | instability |
| Installer | installer |