| Singular | Plural | |
|---|---|---|
| Nominativ | purpuraque, purpura, purpurascit | purpurae |
| Genitiv | purpurae, purpurai | purpurarum, purpurum |
| Dativ | purpurae, purpurai | purpuris, purpurissatae, purpurissatus, purpurissum, purpurabus |
| Akkusativ | purpuram | purpuras |
| Ablativ | purpurad, purpurascit, purpuraque, purpura | purpurabus, purpuris, purpurissatae, purpurissatus, purpurissum |
| Vokativ | purpurascit, purpuraque, purpura | purpurae |