| Part of speech | unknown part of speech |
|---|
| Singular | Plural | |
|---|---|---|
| Nominative | delto | deltoj |
| Accusative | delton | deltojn |
| Czech | delta |
|---|---|
| Dutch | delta |
| English | delta |
| Faeroese | ósi |
| French | delta |
| German | Delta |
| Greek | δέλτα |
| Hungarian | delta |
| Portuguese | delta |
| Romanian | deltă |
| Saterland Frisian | Delta |
| Spanish | delta |
| Swedish | delta |