| Singular | Plural | |
|---|---|---|
| Nominativ | augustinus, augustinus | augustini, augustini |
| Genitiv | augustini, augustini | augustinorum, augustinorum |
| Dativ | augustino, augustino | augustinis, augustinis |
| Akkusativ | augustinom, augustinom, augustinum, augustinum | augustinos, augustinos |
| Ablativ | augustino, augustino | augustinis, augustinis |
| Vokativ | augustine, augustine | augustini, augustini |