| Ostküste | east coast |
| Westküste | west coast |
| Ostgote | Ostrogoth |
| Ostsee | Baltic Sea |
| Ostseite | east side |
| Postkarte | postcard |
| Postkasten | collection box drop box letter box mailbox postbox letterbox mail slot |
| Seeküste | seashore |
| Küste | coast shore |
| Nordküste | north coast |
| Südküste | south coast southern coast |
| Ostende | Ostend |
| Ostinato | ostinato |
| Rostkatze | rusty-spotted cat |
| rostfest | rustproof |
| Ostasien | East Asia Eastern Asia |
| Osthessen | East Hesse |
| Ostkirche | Eastern Christianity |
| Postbote | postman mailman |
| Postkutsche | stagecoach |