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