| unorthodox | licentious |
| orthodox | orthodox |
| Anorthosit | anorthosite |
| Orthodoxie | Orthodoxy |
| Orthogon | rectangle |
| Lunochod | lunokhod |
| Anorthit | anorthite |
| Neuorthodoxie | orthodoxy |
| unerhört | egregious unheard-of |
| Kortholt | kortholt |
| Orthoepie | orthoepy |
| Orthofoto | orthophoto |
| Sportboot | sport boat |
| ortho- | ortho- |
| Narthex | narthex |
| Rhodos | Rhodes |
| Unobtanium | unobtainium |
| Unordnung | disorder mess turmoil |
| Gonorrhoe | gonorrhea |
| nord- | north |