| Nominativ | consubstantialitas | consubstantialitates |
| Genitiv | consubstantialitatis | consubstantialitatium, consubstantialitatum |
| Dativ | consubstantialitati, consubstantialitate | consubstantialitatibus |
| Akkusativ | consubstantialitatem | consubstantialitates, consubstantialitatis |
| Ablativ | consubstantialitate | consubstantialitatibus |
| Vokativ | consubstantialitas | consubstantialitates |
