| infaust | infaust |
| Infant | infante |
| Infarkt | infarction |
| Faust | fist Faust |
| Infos | lowdown |
| Infrarot | infrared |
| infrarot | infrared |
| Einfahrt | entry driveway entrance |
| Einfalt | naivete |
| Einfluss | influence |
| Hinfahrt | first leg |
| Infamie | infamy |
| Infekt | infection |
| Influenz | influence |
| infam | infamous |
| Anfahrt | approach |
| hinaus- | there |
| hinaus | out |
| Frust | frustration |
| Knust | heel crust butt nub stump tail end |