Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg opertōrium | plural pl opertōria |
| Genitiv | singular sg opertōriī | plural pl opertōriōrum |
| Dativ | singular sg opertōriō | plural pl opertōriīs |
| Akkusativ | singular sg opertōrium | plural pl opertōria |
| Ablativ | singular sg opertōriō | plural pl opertōriīs |
| Vokativ | singular sg opertōrium | plural pl opertōria |
