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