| Indoktrination | indoctrination |
| Industrienation | industrial nation |
| indoktrinieren | indoctrinate |
| Inkarnation | incarnation |
| Indikation | indication |
| Deklination | declension declination |
| Destination | destination |
| Insemination | insemination |
| Intonation | intonation |
| Initiation | initiation |
| Infiltration | infiltration |
| Information | information |
| Inokkupation | idleness |
| Intoxikation | intoxication |
| Inventarisation | inventory |
| Investigation | investigation |
| Intinktion | intinction |
| Indiskretion | indiscretion |
| Indoeuropäerin | Indo-European |
| Indogermanin | Indo-European |