| Nominativ | superuacuus, superuacuadimittes, superuacuum, quidsupervacuum, superuacua | superuacua, superuacuadimittes, supervacuae, superuacui |
| Genitiv | supervacuae, superuacui, superuacui | supervacuorum, supervacuorum, supervacuarum |
| Dativ | superuacuo, superuacuo, supervacuae | superuacuis |
| Akkusativ | superuacuum, superuacuam, superuacuum, quidsupervacuum, quidsupervacuum | superuacua, superuacuos, superuacuadimittes, superuacuas |
| Ablativ | superuacua, superuacuo, superuacuo, superuacuadimittes | superuacuis |
| Vokativ | supervacue, superuacuadimittes, superuacuum, quidsupervacuum, superuacua | superuacua, superuacuadimittes, supervacuae, superuacui |
