| fluoreszieren | fluoresce |
| fluoreszierend | fluorescent |
| Fluoreszenz | fluorescence |
| favorisieren | favour |
| florieren | flourish prosper thrive boom |
| fluktuieren | fluctuate |
| Florentinerin | Florentine |
| adressieren | address |
| arrestieren | arrest |
| dressieren | train break in condition discipline dress pipe prepare |
| interessieren | interest |
| karessieren | caress have an affair |
| perhorreszieren | reject |
| pressieren | be urgent |
| Freiziehen | flashing |
| allozieren | allocate |
| exorzieren | exorcise exorcize |
| exponenzieren | exponentiation |
| fabrizieren | fabricate |
| glorifizieren | glorify |