| Singular | Plural | |
|---|---|---|
| Nominativ | dialogus, dialogus | dialogi, dialogi |
| Genitiv | dialogi, dialogi | dialogorum, dialogum, dialogum, dialogorum |
| Dativ | dialogo, dialogo | dialogis, dialogis |
| Akkusativ | dialogom, dialogum, dialogom, dialogum | dialogos, dialogos |
| Ablativ | dialogo, dialogo | dialogis, dialogis |
| Vokativ | dialoge, dialoge | dialogi, dialogi |