| Luftlinie | as the crow flies beeline |
| Luftmine | blockbuster |
| Leitlinie | guideline |
| Weltlinie | world line |
| Lüstling | debauchee sensualist voluptuary |
| Buslinie | bus route bus line |
| Lufthansa | Lufthansa |
| Lufthunger | shortness of breath |
| Luftklappe | damper |
| Luftlager | air bearing |
| Luftmasse | air mass |
| luftmasse | airmass |
| luftig | airy aerial filmy |
| Alufolie | aluminium foil aluminum foil |
| Luftbild | air photograph |
| Luftblase | bubble air pocket bleb bubble of air |
| Luftfilter | air filter |
| Luftkeim | airborne germ |
| Luftkrieg | aerial warfare |
| Luftloch | air hole air pocket |