| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | beladono | beladonoj |
| Accusative | beladonon | beladonojn |
| Catalan | belladona |
|---|---|
| Dutch | belladonna; doodkruid; wolfskers |
| English | belladonna; deadly nightshade |
| French | belladone |
| German | Belladonna; Tollkirsche |
| Hungarian | belladonna |
| Portuguese | beladona |
| Spanish | belladona |