| Singular | Plural | |
|---|---|---|
| Nominativ | croysidia | croysidiae |
| Genitiv | croysidiae, croysidiai | croysidiarum, croysidium |
| Dativ | croysidiae, croysidiai | croysidiabus, croysidiis |
| Akkusativ | croysidiam | croysidias |
| Ablativ | croysidia, croysidiad | croysidiabus, croysidiis |
| Vokativ | croysidia | croysidiae |
12 (18) Formen für „croysidia“