| Nominativ | ducentensumum, ducentensuma, ducentensumus | ducentensumi, ducentensuma, ducentensumae |
| Genitiv | ducentensumi, ducentensumae, ducentensumi | ducentensumarum, ducentensumorum, ducentensumorum |
| Dativ | ducentensumae, ducentensumo, ducentensumo | ducentensumis, ducentensumis, ducentensumis |
| Akkusativ | ducentensumum, ducentensumum, ducentensumam | ducentensuma, ducentensumas, ducentensumos |
| Ablativ | ducentensuma, ducentensumo, ducentensumo | ducentensumis, ducentensumis, ducentensumis |
| Vokativ | ducentensumum, ducentensuma, ducentensume | ducentensumi, ducentensuma, ducentensumae |
