| Fenstertür | French window |
| Fenstertag | long weekend |
| Fenstersturz | defenestration |
| Fenster | window |
| fensterlos | windowless |
| Hintertür | back door tradesman's entrance loophole |
| Fensterchen | wicket |
| Fenstergitter | window screen |
| Fensterkitt | putty |
| Fensterkreuz | rail |
| Fensterbank | windowsill window sill |
| Fensterputzer | window cleaner |
| Finsternis | darkness eclipse |
| finster | dark |
| Flüstertüte | megaphone |
| Geisterzug | ghost train |
| Meisterwurz | masterwort |
| ersterer | former |
| Fürstentum | principality |
| Entwerter | ticket stamping machine |