Deklinationen
| Singular | Plural | |
|---|---|---|
| Nominativ | singular sg ōstiārius | plural pl ōstiāriī |
| Genitiv | singular sg ōstiāriī | plural pl ōstiāriōrum |
| Dativ | singular sg ōstiāriō | plural pl ōstiāriīs |
| Akkusativ | singular sg ōstiārium | plural pl ōstiāriōs |
| Ablativ | singular sg ōstiāriō | plural pl ōstiāriīs |
| Vokativ | singular sg ōstiārie | plural pl ōstiāriī |
