| Insurrektion | insurrection |
| Inspektion | inspection |
| Surjektion | surjection |
| Kasusrektion | case government |
| Interjektion | interjection |
| Inspiration | inspiration |
| Untersektion | subsection |
| Imperfektion | imperfection |
| Infektion | infection |
| Injektion | injection shot |
| Introjektion | introjection |
| Induktion | induction electromagnetic induction mathematical induction |
| Interaktion | interaction |
| Inunktion | embrocation unction |
| Interception | interception |
| Interruption | interruption |
| Intervention | intervention |
| Insertio | minionette |
| Institution | fixture institution |
| Instruktiv | instructive |
| instruktiv | instructive |