| Singular | Plural | |
|---|---|---|
| Nominativ | concursusque, concursus, cocursus | cocursus, concursusque, concursuus, concursus |
| Genitiv | concursusque, concursus, cocursus | concursuum |
| Dativ | concursui | concursibus, concursubus |
| Akkusativ | concursumque, concursum | concursus, cocursus, concursusque, concursuus |
| Ablativ | concursu, concursuque | concursibus, concursubus |
| Vokativ | concursusque, concursus, cocursus | cocursus, concursusque, concursuus, concursus |