| Nominativ | octingentensumum, octingentensuma, octingentensumus | octingentensumi, octingentensuma, octingentensumae |
| Genitiv | octingentensumi, octingentensumi, octingentensumae | octingentensumorum, octingentensumorum, octingentensumarum |
| Dativ | octingentensumae, octingentensumo, octingentensumo | octingentensumis, octingentensumis, octingentensumis |
| Akkusativ | octingentensumum, octingentensumum, octingentensumam | octingentensumas, octingentensumos, octingentensuma |
| Ablativ | octingentensuma, octingentensumo, octingentensumo | octingentensumis, octingentensumis, octingentensumis |
| Vokativ | octingentensume, octingentensumum, octingentensuma | octingentensumi, octingentensuma, octingentensumae |
