| instant | instant |
| instantan | instantaneous |
| Instanz | instantiate |
| Einstand | debut celebrate deuce |
| Instinkt | instinct |
| Anstalt | institute asylum |
| Anstand | decency |
| anstatt | instead of |
| konstant | constant constantly |
| Infant | infante |
| Instantkaffee | instant coffee |
| Instantnudeln | instant noodle |
| Insekt | insect bug |
| Inserat | advertisement |
| Inserent | advertiser |
| Insigne | insigne |
| Institut | institute institution institution building legal institution |
| insistent | insistent |
| insolent | ill-mannered impertinent insolent |
| instabil | unstable instable |