| Singular | Plural | |
|---|---|---|
| Nominativ | casusque, casus | casus, casusque, casuus |
| Genitiv | casus, casusque | casuum |
| Dativ | casui | casibus, casibusque, casubus |
| Akkusativ | aucasum, casum, casumque | casus, casusque, casuus |
| Ablativ | casu, casusue, casuoccucurrisse, casuque | casibus, casibusque, casubus |
| Vokativ | casus, casusque | casus, casusque, casuus |