| Flugroute | airway |
| Flugboot | seaplane |
| Flugente | Muscovy Duck |
| Fluglotse | air traffic controller |
| Flugasche | fly ash |
| Flughuhn | sandgrouse |
| Flugkörper | bullet |
| Fluorit | fluorite |
| Flussaue | floodplain |
| Flüstertüte | megaphone |
| flügge | fledged |
| Flugblatt | flyer leaflet |
| Flughund | flying fox |
| Flugplatz | airfield |
| Flugzeug | aeroplane airplane plane aircraft |
| Flurbuch | urbarium |
| Flurfunk | grapevine |
| Flügelbutt | megrim whiff |
| Baugrube | building pit construction pit |
| Trugratte | octodont octodontid |