| Indikation | indication |
| Vindikation | rei vindicatio vindication |
| indikativ | indicative |
| Indikativ | indicative mode |
| Indikator | indicator |
| Induktion | induction electromagnetic induction mathematical induction |
| Syndikation | syndication |
| Abdikation | abdication |
| Medikation | medication |
| Infixation | infixation |
| Indiskretion | indiscretion |
| Indigestion | indigestion |
| Prädikation | predication |
| Diktion | diction |
| Eradikation | eradication |
| Vinifikation | winemaking |
| Implikation | implication |
| Intoxikation | intoxication |
| Koedukation | coeducation |
| Inhumation | inhumation |