| Singular | Plural | |
|---|---|---|
| Nominativ | promissom, promissum, promisum | promissa, promissaque |
| Genitiv | promissi, promissinem | promissorum |
| Dativ | promisso, promissoreis | promissisque, promissis |
| Akkusativ | promissum, promisum | promissa, promissaque |
| Ablativ | promisso, promissoreis | promissisque, promissis |
| Vokativ | promissum, promisum | promissa, promissaque |