| Singular | Plural | |
|---|---|---|
| Nominativ | maleficentia | maleficentiae |
| Genitiv | maleficentiae, maleficentiai | maleficentiarum, maleficentium |
| Dativ | maleficentiae, maleficentiai | maleficentiis, maleficentiabus |
| Akkusativ | maleficentiam | maleficentias |
| Ablativ | maleficentiad, maleficentia | maleficentiis, maleficentiabus |
| Vokativ | maleficentia | maleficentiae |