| Singular | Plural | |
|---|---|---|
| Nominativ | platea | plateae |
| Genitiv | plateai, plateae | platearum, platearumque, plateum |
| Dativ | plateae, plateai | plataeis, plateis, plateabus |
| Akkusativ | plateam | plataeas, plateas, plateasque |
| Ablativ | platea, platead | plataeis, plateis, plateabus |
| Vokativ | platea | plateae |
