| oberkant | above |
| Oberhand | upper hand |
| Oberhaut | epidermis |
| aberrant | aberrant |
| Obergurt | surcingle |
| Oberkopf | scalp |
| Oberkorn | Oberkorn |
| Oberon | Oberon |
| Oberstaat | suzerain |
| Oberton | overtone |
| oberst | topmost |
| Oberst | colonel |
| Dobermann | Dobermann |
| Oberarm | upper arm |
| Oberbau | track |
| Oberhaupt | head |
| Oberhaus | upper house upper chamber House of Lords |
| Oberin | Mother Superior |
| Oberlauf | headwater upper reaches |
| obenan | at the top |