| Inferno | inferno |
| Inferenz | inference |
| intern | internal |
| Infant | infante |
| Infarkt | infarction |
| Infekt | infection |
| Influenz | influence |
| Info | info |
| infertil | infertile |
| infra- | infra- |
| unfein | vulgar |
| Fern | long haul |
| fern | far |
| eifernd | bigoted |
| Ferne | distance |
| eifern | strive |
| entfernt | distant |
| fern- | remote |
| insofern | provided that |
| liefern | deliver supply ship produce provide furnish fight |