| Ordinarius | ordinary |
| Ordinariat | ordinariate |
| Ordination | ordination |
| ordinär | ordinary common vulgar |
| Ordinale | ordinal number |
| Ordinate | ordinate |
| Ortsordinarius | ordinary |
| Ozeanarium | oceanarium |
| Darius | Darius |
| Stradivarius | Stradivarius |
| Hilarius | Hilary Ellery |
| Arminius | Arminius |
| Cordierit | cordierite |
| Fordismus | Fordism |
| Gordias | Gordias |
| Ordonanz | batman |
| Koordination | coordination |
| Ordinalzahl | ordinal number |
| Ordner | folder |
| nordwärts | northward |