cürek

/ dʒyrek /

Cases

SingularPluralWhen to use it
nominative cürek the heart cürekle the hearts the plain dictionary form — the doer of the sentence
genitive cürekni the heart's cürekleni the hearts' the owner — whose it is
accusative cürekni the heart (as the object) cürekleni the hearts (as the object) a specific, known object — whom or what
dative cürekge to the heart cüreklege to the hearts direction or recipient — to where, to whom
locative cürekde at / in the heart cüreklede at / in the hearts where it is; also having — mende bar, "I have it"
ablative cürekden from the heart cürekleden from the hearts 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 cüregim my heart cüreklerim my hearts
your cüreging your heart cüreklering your hearts
his / her cüregi his / her heart cürekleri his / her hearts
our cüregibiz our heart cürekleribiz our hearts
you all's cüregigiz you all's heart cüreklerigiz you all's hearts
their cürekleri their heart cürekleri their hearts

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