| Singular | Plural | |
|---|---|---|
| Nominativ | citharaque, cithara | citharae |
| Genitiv | citharai, citharae | cithararum, citharum |
| Dativ | citharai, citharae | citharabus, citharis |
| Akkusativ | citharam, citharamque | citharas |
| Ablativ | citharaque, cithara, citharad | citharabus, citharis |
| Vokativ | citharaque, cithara | citharae |