| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | oksiuro | oksiuroj |
| Accusative | oksiuron | oksiurojn |
| Czech | kachnice |
|---|---|
| Dutch | stekelstaart |
| English | stiff‐tailed duck |
| Finnish | kuparisorsa |
| French | érismature |
| Hungarian | réce |
| Italian | gobbo |
| Polish | sterniczka |
| Russian | савка |
| Spanish | oxiuro; malvasía; pato zambullidor |
| Swedish | kopparand |