| Filtertüte | filter bag |
| Filterhülse | filter tube |
| Flüstertüte | megaphone |
| Filtrat | filtrate |
| filterlos | filterless |
| filtern | fine filter |
| Filter | filter |
| Filterblase | filter bubble |
| Filterkuchen | filter cake |
| Altertum | antiquity |
| Futterrübe | mangelwurzel |
| Rittergut | manor |
| Rittertum | knighthood |
| Hintertür | back door tradesman's entrance loophole |
| Papiertüte | paper bag |
| Wundertüte | lucky bag |
| Ficktüte | condom |
| Flugroute | airway |
| Filetyp | filetype |
| Filmer | filmmaker |