kökürek

/køkyrek/

Cases

SingularPluralWhen to use it
nominativekökürekthe chestköküreklethe cheststhe plain dictionary form — the doer of the sentence
genitiveköküreknithe chest'sköküreklenithe chests'the owner — whose it is
accusativeköküreknithe chest (as the object)köküreklenithe chests (as the object)a specific, known object — whom or what
dativekökürekgeto the chestköküreklegeto the chestsdirection or recipient — to where, to whom
locativekökürekdeat / in the chestkökürekledeat / in the chestswhere it is; also having — mende bar, "I have it"
ablativekökürekdenfrom the chestkökürekledenfrom the chestswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
myköküregimmy chestköküreklerimmy chests
yourköküregingyour chestkökürekleringyour chests
his / herköküregihis / her chestköküreklerihis / her chests
ourköküregibizour chestkökürekleribizour chests
you all'sköküregigizyou all's chestköküreklerigizyou all's chests
theirkökürekleritheir chestkökürekleritheir 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.