| ostensibel | ostensible |
| sensibel | sensitive |
| Osterspiel | Easter drama |
| ostensiv | ostensive |
| Ostende | Ostend |
| Ostindien | East Indies |
| Ostasien | East Asia Eastern Asia |
| Ostelbien | East Elbia |
| Osterinsel | Easter Island |
| Hortensie | hydrangea |
| Oltenien | Oltenia |
| Ottensee | Odense |
| Datenkabel | data cable |
| Utensil | utensil implement piece of equipment |
| Possenspiel | ribaldry |
| Offensive | offensive |
| reversibel | reversible |
| penibel | meticulous fussy pernickety |
| tangibel | tangible |
| Ostanglien | East Anglia |