| Singular | Plural | |
|---|---|---|
| Nominativ | subscribendarius | subscribendarii |
| Genitiv | subscribendarii | subscribendarium, subscribendariorum |
| Dativ | subscribendario | subscribendariis |
| Akkusativ | subscribendariom, subscribendarium | subscribendarios |
| Ablativ | subscribendario | subscribendariis |
| Vokativ | subscribendarie | subscribendarii |