| fertig- | instant |
| fertig | ready done finished exhausted |
| fertigen | manufacture craft produce |
| fertil | fertile |
| wertig | significant |
| fettig | greasy fatty oily |
| Ferge | ferryman |
| gefertigt | wrought |
| unfertig | crude |
| Ferien | vacation holidays vacations |
| Fermion | fermion |
| Fermium | fermium |
| Ferrit | ferrite |
| Fertigung | production manufactory manufacturing |
| fern- | remote |
| Tertia | Columbian |
| tertiär | tertiary |
| Tertiär | Tertiary |
| Ertag | Tuesday |
| Vertiko | Vertiko |