| Osttimorer | East Timorese |
| Osttimorerin | East Timorese |
| Osttimor | East Timor |
| osttimorisch | East Timorese |
| Baltimore | Baltimore |
| Oldtimer | vintage car classic car veteran car |
| Störer | heckler |
| Steigerer | torpedo |
| Steirer | Styrian |
| Ostermond | April |
| Ostindien | East Indies |
| Ostler | Oriental |
| Ostmark | ostmark |
| östlichster | easternmost |
| Osteologe | osteologist |
| Osterei | Easter egg |
| Osterfeuer | Easter fire |
| Osteuropäer | Eastern European |
| Ostgote | Ostrogoth |
| Ostkirche | Eastern Christianity |