| Biofilter | biofilter |
| Biofaktor | biofactor |
| Sofioter | Sofian |
| Profiler | profiler |
| Filter | filter |
| Ölfilter | oil filter |
| Biophilie | biophilia |
| Biotit | biotite |
| Biodiesel | biodiesel biodiesel fuel |
| Biolith | biolith |
| Biomilch | organic milk |
| Profiteur | profiteer |
| Filmer | filmmaker |
| Filzer | felt-tip |
| filtern | fine filter |
| gefiltert | filtered |
| Luftfilter | air filter |
| Netzfilter | line filter |
| Ausfalter | foldout |
| C-Falter | comma |