| Singular | Plural | |
|---|---|---|
| Nominativ | defensum | defensa, defensaeque, defensaque |
| Genitiv | defensivum, defensi, defensioribus | defensorum, defensorumque |
| Dativ | defenso, defensoreis | defensis, devensis |
| Akkusativ | defensum | defensa, defensaeque, defensaque |
| Ablativ | defenso, defensoreis | defensis, devensis |
| Vokativ | defensum | defensa, defensaeque, defensaque |