Partial calque of English South Dakota; etelä + Dakota.
| Inflection of Etelä-Dakota (Kotus type 9/kala, no gradation) | |||
|---|---|---|---|
| nominative | Etelä-Dakota | — | |
| genitive | Etelä-Dakotan | — | |
| partitive | Etelä-Dakotaa | — | |
| illative | Etelä-Dakotaan | — | |
| singular | plural | ||
| nominative | Etelä-Dakota | — | |
| accusative | nom. | Etelä-Dakota | — |
| gen. | Etelä-Dakotan | ||
| genitive | Etelä-Dakotan | — | |
| partitive | Etelä-Dakotaa | — | |
| inessive | Etelä-Dakotassa | — | |
| elative | Etelä-Dakotasta | — | |
| illative | Etelä-Dakotaan | — | |
| adessive | Etelä-Dakotalla | — | |
| ablative | Etelä-Dakotalta | — | |
| allative | Etelä-Dakotalle | — | |
| essive | Etelä-Dakotana | — | |
| translative | Etelä-Dakotaksi | — | |
| abessive | Etelä-Dakotatta | — | |
| instructive | — | — | |
| comitative | See the possessive forms below. | ||