kökürek

/ køkyrek /

Cases

SingularPluralWhen to use it
nominative kökürek the chest kökürekle the chests the plain dictionary form — the doer of the sentence
genitive kökürekni the chest's kökürekleni the chests' the owner — whose it is
accusative kökürekni the chest (as the object) kökürekleni the chests (as the object) a specific, known object — whom or what
dative kökürekge to the chest köküreklege to the chests direction or recipient — to where, to whom
locative kökürekde at / in the chest köküreklede at / in the chests where it is; also having — mende bar, "I have it"
ablative kökürekden from the chest kökürekleden from the chests where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
my köküregim my chest köküreklerim my chests
your köküregiŋ your chest kökürekleriŋ your chests
his / her köküregi his / her chest kökürekleri his / her chests
our köküregibiz our chest kökürekleribiz our chests
you all's köküregigiz you all's chest köküreklerigiz you all's chests
their kökürekleri their chest kökürekleri their chests

The overlap in the last rows is real, not a mistake: kökürekleri can mean "his / her chests", "their chest", or "their chests" — context decides.