| Singular | Plural | |
|---|---|---|
| Nominativ | quartadecumamus | quartadecumami |
| Genitiv | quartadecumami | quartadecumamum, quartadecumamorum |
| Dativ | quartadecumamo | quartadecumamis |
| Akkusativ | quartadecumamom, quartadecumamum | quartadecumamos |
| Ablativ | quartadecumamo | quartadecumamis |
| Vokativ | quartadecumame | quartadecumami |