| intentional | intentional |
| Intentionalismus | intentionalism |
| Intention | intention |
| international | international |
| intestinal | intestinal enteral |
| Internationale | Internationale |
| Intension | tenseness |
| intertidal | intertidal |
| Invention | invention |
| Intinktion | intinction |
| Intensität | intensity intenseness |
| Intonation | intonation |
| Intuition | intuition |
| internal | internal |
| Detention | detention |
| Potential | potential |
| Retention | retention |
| Ingestion | ingestion |
| instationär | transient |
| Infektion | infection |