| Osteoporose | osteoporosis |
| Osteogenese | osteogenesis |
| Osteologe | osteologist |
| Osteologie | osteology |
| Osteopenie | osteopenia |
| Stockrose | hollyhock |
| Osteologin | osteologist |
| Kostprobe | sample taste |
| Osteoklast | osteoclast |
| Osterhase | Easter Bunny |
| Osterkerze | Paschal candle |
| Osteuropa | Eastern Europe East Europe |
| Steckdose | socket outlet electrical outlet power point power outlet receptacle |
| Stenose | stenosis |
| Steueroase | tax haven |
| Meteorologe | meteorologist |
| Autopoiese | autopoiesis |
| Extemporale | pop quiz unannounced test |
| Ouroboros | ouroboros |
| Seerose | water lily |