| Umbau | alteration conversion altered section reorganization |
| umbauen | rebuild |
| Mumbai | Mumbai |
| Rumba | rumba |
| Umbra | umbra umber |
| Zumba | Zumba |
| Amban | amban |
| Libau | Liepāja |
| Abbau | dismantling mining reduction decomposition |
| Anbau | cultivation extension annex outbuilding |
| Aufbau | assembly buildup superstructure construction |
| Ausbau | extension removal |
| Bau | construction building side building burrow structure jail prison |
| Lumb | cusk |
| Lumbago | lumbago |
| Fumble | fumble |
| Humbug | balderdash buncombe claptrap drivel hokum humbug |
| Umbrer | Umbrian |
| Umbruch | upheaval make-up word wrap |
| tumb | dim naive slow stupid |