| Singular | Plural | |
|---|---|---|
| Nominativ | castula | castulae, castule |
| Genitiv | castulae, castulai, castule | castularum, castulum |
| Dativ | castulae, castulai, castule | castulabus, castulis |
| Akkusativ | castulam | castulas |
| Ablativ | castula, castulad | castulabus, castulis |
| Vokativ | castula | castulae, castule |
12 (22) Formen für „castula“