| intrigant | conniving |
| Intrigant | intriguer |
| intrikat | intricate |
| Intendant | artistic director theatre manager |
| Intranet | intranet |
| Intrige | intrigue plot |
| Brigant | brigand highwayman |
| Tragant | milk-vetch |
| invariant | invariant |
| Intine | intine |
| Introsort | introspective sort |
| Eintragung | registration |
| Eintritt | joining admission fee |
| Integrand | integrand |
| Integrität | integrity |
| Internat | boarding school |
| Intifada | intifada |
| Intimität | intimacy |
| Intron | intron |
| eintragen | enter record |