| Singular | Plural | |
|---|---|---|
| Nominativ | antibasis | antibasis, antibases |
| Genitiv | antibasis | antibasium, antibasum |
| Dativ | antibasi, antibase | antibasibus |
| Akkusativ | antibasim, antibasem | antibases, antibaseis, antibasis |
| Ablativ | antibasi, antibase | antibasibus |
| Vokativ | antibasis | antibases |