| Singular | Plural | |
|---|---|---|
| Nominative | jokin | jotkin |
| Genitive | jonkin | joidenkin |
| Partitive | jotakin | joitakin |
| Accusative | jonkin
jokin |
jotkin |
| Inessive | jossakin | joissakin |
| Elative | jostakin | joistakin |
| Illative | johonkin | joihinkin |
| Adessive | jollakin | joillakin |
| Ablative | joltakin | joiltakin |
| Allative | jollekin | joillekin |
| Abessive | --- | joittakin |
| Essive | jonakin | joinakin |
| Translative | joksikin | joiksikin |
| Comitative | --- | joinekin |
| Instructive | --- | joinkin |