| Fremdwort | foreignism |
| Fremdheit | foreignness |
| Fremder | stranger |
| Fremdwörterbuch | dictionary of foreign words |
| Grundwort | primary word root |
| Framework | software framework |
| Fragewort | question word |
| Reizwort | test word |
| Fremde | alien stranger |
| Fremdling | alien stranger |
| fremd- | xeno- |
| fremdartig | alien foreign |
| Freeware | free ware freeware |
| Freiwurf | free throw |
| Fremdkörper | foreign body |
| fremd | strange foreign somebody else's |
| freudlos | bleak cheerless |
| Tremor | tremor |
| Femdom | femdom |
| F-Wort | f-word |