| Singular | Plural | |
|---|---|---|
| Nominativ | cantharites | cantharitae |
| Genitiv | cantharitae, cantharitai | cantharitum, cantharitarum |
| Dativ | cantharitae, cantharitai | cantharitabus, cantharitis |
| Akkusativ | canthariten, cantharitam | cantharitas |
| Ablativ | cantharite, cantharita | cantharitabus, cantharitis |
| Vokativ | cantharita, cantharite | cantharitae |