| Singular | Plural | |
|---|---|---|
| Nominativ | cisterna, cisternaeque | cisternae |
| Genitiv | cisternai, cisternae | cisternarum, cisternum |
| Dativ | cisternai, cisternae | cisternabus, cisternis |
| Akkusativ | cisternam | cisternas |
| Ablativ | cisterna, cisternad, cisternaeque | cisternabus, cisternis |
| Vokativ | cisterna, cisternaeque | cisternae |