| Singular | Plural | |
|---|---|---|
| Nominativ | orchestra | orchestrae |
| Genitiv | orchestrae, orchestrai | orchestrum, orchestrarum |
| Dativ | orchestrae, orchestrai | orchestris, orchestrabus |
| Akkusativ | orchestram | orchestras |
| Ablativ | orchestra, orchestrad | orchestris, orchestrabus |
| Vokativ | orchestra | orchestrae |