| Singular | Plural | |
|---|---|---|
| Nominativ | organom, organum, organom, organum | organa, organa |
| Genitiv | organi, organi | organorumque, orcanorum, organorum |
| Dativ | organo, organo | organis, organis |
| Akkusativ | organum, organum | organa, organa |
| Ablativ | organo, organo | organis, organis |
| Vokativ | organum, organum | organa, organa |