| Oberhaupt | head |
| Oberhaut | epidermis |
| überhaupt | at all |
| Oberhaus | upper house upper chamber House of Lords |
| barhaupt | bare-headed bareheaded |
| Obergurt | surcingle |
| Oberhand | upper hand |
| Oberbau | track |
| Oberbauch | epigastrium |
| Oberlauf | headwater upper reaches |
| oberhalb | above |
| oberkant | above |
| Aderhaut | choroid |
| Tierhaut | hide |
| Oberherr | suzerain |
| Oberhoheit | suzerainty |
| Oberkopf | scalp |
| Oberstaat | suzerain |
| Oberstufe | sixth form |
| oberst | topmost |
| Oberst | colonel |