From Proto-Finnic *-k'as. Cognates include Finnish -kas and Veps -kaz.
-kaz
| Declension of -kaz (Type 9/pacaz, kk-k gradation) | ||
|---|---|---|
| singular | plural | |
| nominative | -kaz | -kkahad |
| genitive | -kkahan | -kkahaiden |
| partitive | -kast | -kkahaid |
| illative | -kkahah | -kkahaihe |
| inessive | -kkahas | -kkahaiš |
| elative | -kkahaspiä | -kkahaišpiä |
| allative | -kkahale | -kkahaile |
| adessive | -kkahal | -kkahail |
| ablative | -kkahalpiä | -kkahailpiä |
| translative | -kkahaks | -kkahaikš |
| essive | -kkahan | -kkahain |
| abessive | -kkahata | -kkahaita |
| *) the accusative corresponds with either the genitive (sg) or nominative (pl) | ||