köz

/ køz /

Cases

SingularPluralWhen to use it
nominative köz the eye közle the eyes the plain dictionary form — the doer of the sentence
genitive köznü the eye's közleni the eyes' the owner — whose it is
accusative köznü the eye (as the object) közleni the eyes (as the object) a specific, known object — whom or what
dative közge to the eye közlege to the eyes direction or recipient — to where, to whom
locative közde at / in the eye közlede at / in the eyes where it is; also having — mende bar, "I have it"
ablative közden from the eye közleden from the eyes 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 közüm my eye közlerim my eyes
your közüng your eye közlering your eyes
his / her közü his / her eye közleri his / her eyes
our közübüz our eye közleribiz our eyes
you all's közügüz you all's eye közlerigiz you all's eyes
their közleri their eye közleri their eyes

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