| Singular | Plural | |
|---|---|---|
| Nominativ | uacua, uacuum, uacuus, vacuom, uacuumque | vacuae, uacui, uacua |
| Genitiv | vacuae, uacui, uacui | vacuarum, vacuorum, vacuorum |
| Dativ | vacuae, uacuo, uacuo | uacuis, uacuissima |
| Akkusativ | uacuum, uacuam, uacuum, vacuom, vacuom, uacuumque, uacuumque | uacuas, uacuos, uacua |
| Ablativ | uacua, uacuo, uacuo | uacuis, uacuissima |
| Vokativ | uacuum, vacue, uacua, vacuom, uacuumque | vacuae, uacui, uacua |
| Singular | Plural | |
|---|---|---|
| Nominativ | — | — |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | — |
| Ablativ | — | — |
| Vokativ | — | — |
| Singular | Plural | |
|---|---|---|
| Nominativ | uacuissima | uacuissima |
| Genitiv | — | — |
| Dativ | — | — |
| Akkusativ | — | uacuissima |
| Ablativ | uacuissima | — |
| Vokativ | uacuissima | uacuissima |
| Grundform | |
|---|---|
| Positiv | vacue |
| Komparativ | — |
| Superlativ | — |