| indizieren | index |
| induzieren | induce |
| vindizieren | claim vindicate |
| infizieren | infect |
| injizieren | inject |
| indexieren | index |
| abdizieren | abdicate |
| dedizieren | dedicate |
| radizieren | square root |
| inspizieren | inspect check examine |
| Infigieren | infixation |
| inhibieren | inhibit |
| Indianerin | American Indian Amerindian Indian native American |
| Indifferenz | indifference |
| indifferent | indifferent apathetic |
| indossieren | endorse |
| kandidieren | be a candidate contest run for |
| -fizieren | -ify |
| infiziert | infected |
| affizieren | affect |