| indirekte Rede | indirect speech reported speech |
| direkte Rede | direct speech |
| indirektes Objekt | indirect object |
| indirekt | indirect |
| Direktrice | manageress |
| in Rente gehen | retire |
| indische Narde | spikenard |
| Indifferenz | indifference |
| Rinderherde | herd of cattle |
| indexieren | index |
| indifferent | indifferent apathetic |
| indiskret | indiscreet indiscreetly |
| indizieren | index |
| Direktorium | board of directors |
| Direktive | directive |
| Direktor | manager director headmaster principal senior vice president |
| Direktorin | headmistress director manager |
| Insektenkunde | entomology |
| Instrukteur | instructor |
| innere Ruhe | composure |