| orthodoxer Jude | Orthodox Jew |
| Orthodoxe Kirche | Orthodox Church |
| orthodoxe Kirche | Orthodox Church |
| Orthodoxie | Orthodoxy |
| Orthodoxe Kirchen | Eastern Orthodox Church |
| orthodox | orthodox |
| Orthohelium | orthohelium |
| Orthorexie | orthorexia |
| Wort der Ehre | word of honor |
| Orthografie | orthography spelling |
| Orthographie | orthography spelling |
| Orthopäde | orthopedist orthopaedist orthopaedic specialist orthopedic specialist orthopedic surgeon |
| Ewiger Jude | Wandering Jew |
| Wandernder Jude | Wandering Jew |
| toter Kode | dead code |
| toter Code | dead code unreachable code |
| Schindlerjude | Schindlerjude |
| Neuorthodoxie | orthodoxy |
| Orthogon | rectangle |
| Orthonitrat | orthonitrate |