| Fermium | fermium |
| Fermion | fermion |
| Spermium | spermatozoon |
| Freemium | freemium |
| Erbium | erbium |
| Terbium | terbium |
| fertig- | instant |
| Ferien | vacation holidays vacations |
| Fermate | fermata |
| Ferment | enzyme |
| Ferrit | ferrite |
| fertig | ready done finished exhausted |
| fertil | fertile |
| Germanium | germanium |
| Termin | deadline time limit date |
| Terminus | term |
| Termite | termite |
| Wermut | wormwood vermouth |
| Drumium | Drumian |
| Kadmium | cadmium |