| infundieren | inject |
| influenzieren | influence |
| konfundieren | confuse |
| diffundieren | diffuse |
| fundieren | erect establish |
| intendieren | intend |
| Infigieren | infixation |
| infizieren | infect |
| informieren | inform let know |
| unfundiert | specious |
| perfundieren | perfuse |
| fungieren | act as function as |
| grundieren | prime |
| sekundieren | second |
| inkludieren | include |
| invadieren | invade |
| induzieren | induce |
| inkubieren | incubate |
| inquirieren | inquire |
| insinuieren | insinuate |