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| indefinite | singular | plural | proximal plural | ||
|---|---|---|---|---|---|
| absolutive | -∅ | -a | -ak | -ok | |
| ergative | -(e)k | -ak | -ek | ||
| dative | -(r)i | -ari | -ei | -oi | |
| genitive | -(r)en | -aren | -en | -on | |
| comitative | -(r)ekin | -arekin | -ekin | -okin | |
| causative | -(r)engatik | -arengatik | -engatik | -ongatik | |
| benefactive | -(r)entzat | -arentzat | -entzat | -ontzat | |
| instrumental | -(e)z | -az | -ez | -oz | |
| inessive | anim | -(r)engan | -arengan | -engan | -ongan |
| inan | -(e)tan | -an | -etan | -otan | |
| locative | anim | ― | ― | ― | ― |
| inan | -(e)tako | -(e)ko | -etako | -otako | |
| allative | anim | -(r)engana | -arengana | -engana | -ongana |
| inan | -(e)tara | -(e)ra | -etara | -otara | |
| terminative | anim | -(r)enganaino | -arenganaino | -enganaino | -onganaino |
| inan | -(e)taraino | -(e)raino | -etaraino | -otaraino | |
| directive | anim | -(r)enganantz | -arenganantz | -enganantz | -onganantz |
| inan | -(e)tarantz | -(e)rantz | -etarantz | -otarantz | |
| destinative | anim | -(r)enganako | -arenganako | -enganako | -onganako |
| inan | -(e)tarako | -(e)rako | -etarako | -otarako | |
| ablative | anim | -(r)engandik | -arengandik | -engandik | -ongandik |
| inan | -(e)tatik | -(e)tik | -etik | -otik | |
| partitive | -(r)ik | ― | ― | ― | |
| prolative | -tzat | ― | ― | ― | |
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