| Ostrumelien | Eastern Rumelia |
| Ostanglien | East Anglia |
| Ostelbien | East Elbia |
| Osterferien | Easter holidays |
| strullen | piss |
| obstruieren | obstruct |
| Ostfalen | Eastphalia |
| Ostindien | East Indies |
| Ostlerin | Oriental |
| kostümieren | costume |
| Ost-Berlin | East-Berlin |
| Ostasien | East Asia Eastern Asia |
| Osteopenie | osteopenia |
| Osthessen | East Hesse |
| Östrogen | estrogen oestrogen œstrogen |
| Streben | bid |
| streben | strive |
| Streberin | wonk |
| Strecken | stretch |
| strecken | stretch dilute |