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