| Luftmatratze | air mattress |
| Matratze | mattress |
| Luftmasse | air mass |
| luftmasse | airmass |
| Luftfahrt | aviation |
| Luftgitarre | air guitar |
| Luftpirat | air pirate skyjacker |
| Luftschraube | airscrew |
| Lüftungsrate | ventilation rate |
| Flatrate | flatrate |
| Lufthansa | Lufthansa |
| Luftklappe | damper |
| Luftmine | blockbuster |
| Luftschlitz | louver |
| Luftaufnahme | air photograph |
| Luftblase | bubble air pocket bleb bubble of air |
| Luftbrücke | airlift |
| Luftfahrzeug | aircraft aerodyne aerostat air vehicle |
| Luftfeuchte | air humidity air moisture |
| Luftfracht | air cargo |