| Singular | Plural | |
|---|---|---|
| Nominativ | onus, lingonus, mansionus, onussignis, polonus, testimonus, assensionus, contionus | onera |
| Genitiv | oneris | onerum, onerium |
| Dativ | oneri, onere, occasionere | oneribus |
| Akkusativ | onus, lingonus, mansionus, onussignis, polonus, testimonus, assensionus, contionus | onera |
| Ablativ | onere, occasionere | oneribus |
| Vokativ | onus, lingonus, mansionus, onussignis, polonus, testimonus, assensionus, contionus | onera |
12 (44) Formen für „onus“