| Singular | Plural | |
|---|---|---|
| Nominativ | catastropha | catastrophae |
| Genitiv | catastrophae, catastrophai | catastrophum, catastropharum |
| Dativ | catastrophae, catastrophai | catastrophis, catastrophabus |
| Akkusativ | catastropham | catastrophas |
| Ablativ | catastropha, catastrophad | catastrophis, catastrophabus |
| Vokativ | catastropha | catastrophae |