| Singular | Plural | |
|---|---|---|
| Nominativ | barbariaque, barbaria | barbariae |
| Genitiv | barbariae, barbariai | barbariarum, barbarium |
| Dativ | barbariae, barbariai | barbariabus, barbariis |
| Akkusativ | barbariam | barbarias |
| Ablativ | barbaria, barbariad, barbariaque | barbariabus, barbariis |
| Vokativ | barbaria, barbariaque | barbariae |