| indifferent | indifferent apathetic |
| Indifferenz | indifference |
| different | different |
| indizieren | index |
| Differenz | difference remainder |
| Indianerin | American Indian Amerindian Indian native American |
| indexieren | index |
| indezent | dirty |
| indirekt | indirect |
| indiskret | indiscreet indiscreetly |
| induzieren | induce |
| vindizieren | claim vindicate |
| afferent | afferent |
| Inferenz | inference |
| Interferenz | interference |
| inwiefern | in what way to what extent |
| Infigieren | infixation |
| inherent | incident |
| Inserent | advertiser |
| infizieren | infect |