| Fermionen-Kondensat | fermionic condensate |
| Bose-Einstein-Kondensat | Bose-Einstein condensate |
| Flaschenkondensator | Leyden jar |
| Fernerkundung | remote sensing |
| Terminkontrakt | futures contract |
| Komponententest | unit test |
| Kronenkorken | bottle cap |
| Personenschaden | injury to person |
| Semideponens | semi-deponent |
| Drehkondensator | variable capacitor |
| Kondensat | condensate |
| Plattenkondensator | plate capacitor plate condenser |
| serokonkordant | seroconcordant |
| Ferien machen | vacation |
| Feriengast | holiday-maker |
| Ferienreise | holiday |
| Ferienwohnung | holiday home guesthouse |
| Ferner Osten | Far East |
| Ferroelektrizität | ferroelectricity |
| Fertigkost | fast food |