| luftig | airy aerial filmy |
| lustig | funny jocular gay merry happy |
| Luft | sky atmosphere air |
| Luftzug | draft |
| Luftweg | airway air route |
| Lüfter | fan blower |
| Lüftung | ventilation |
| fluffig | fluffy |
| lüften | ventilate air |
| Mufti | mufti |
| deftig | hearty solid substantial coarse crude ribald steep |
| dürftig | poor |
| giftig | toxic poisonous |
| heftig | hefty intense |
| künftig | future upcoming forthcoming |
| saftig | juicy |
| zünftig | able decent |
| tuntig | effeminate |
| blutig | bloody |
| gültig | valid |