| Intoxikation | intoxication |
| Intonation | intonation |
| Autoxidation | autoxidation |
| Indikation | indication |
| Intinktion | intinction |
| Autointoxikation | autointoxication |
| Integration | integration |
| Interaktion | interaction |
| Inthronisation | enthronement |
| Introjektion | introjection |
| Intubation | intubation |
| Intuition | intuition |
| Fettoxidation | fat oxidation |
| Luftoxidation | air oxidation |
| Obnoxiation | debt bondage |
| Oxidation | oxidation |
| Vinifikation | winemaking |
| Identifikation | identification |
| Implikation | implication |
| Ratifikation | ratification |