Combined from DDR (“GDR, German Democratic Republic”) and serkku (“cousin”)
derkku (informal)
| Inflection of derkku (Kotus type 1*A/valo, kk-k gradation) | |||
|---|---|---|---|
| nominative | derkku | derkut | |
| genitive | derkun | derkkujen | |
| partitive | derkkua | derkkuja | |
| illative | derkkuun | derkkuihin | |
| singular | plural | ||
| nominative | derkku | derkut | |
| accusative | nom. | derkku | derkut |
| gen. | derkun | ||
| genitive | derkun | derkkujen | |
| partitive | derkkua | derkkuja | |
| inessive | derkussa | derkuissa | |
| elative | derkusta | derkuista | |
| illative | derkkuun | derkkuihin | |
| adessive | derkulla | derkuilla | |
| ablative | derkulta | derkuilta | |
| allative | derkulle | derkuille | |
| essive | derkkuna | derkkuina | |
| translative | derkuksi | derkuiksi | |
| abessive | derkutta | derkuitta | |
| instructive | — | derkuin | |
| comitative | See the possessive forms below. | ||