| Dünaburg | Daugavpils |
| Lüneburg | Lüneburg |
| Duisburg | Duisburg |
| Günzburg | Günzburg |
| Dünung | swell |
| Luftburg | bouncing castle |
| Ödenburg | Sopron |
| Augsburg | Augsburg |
| Fundbüro | lost and found |
| Hüpfburg | bouncy castle |
| Sandburg | sandcastle |
| Dunstabzug | flue |
| Düna | Daugava |
| Duldung | toleration acceptance |
| Dung | dung manure |
| Dunking | dunking slam dunk |
| Dünger | fertilizer manure |
| Dünndarm | small intestine |
| Mündung | estuary river mouth muzzle mouth |
| Rundung | labialisation rounding |