kez

/ kez /

Cases

SingularPluralWhen to use it
nominative kez the notch kezle the notches the plain dictionary form — the doer of the sentence
genitive kezni the notch's kezleni the notches' the owner — whose it is
accusative kezni the notch (as the object) kezleni the notches (as the object) a specific, known object — whom or what
dative kezge to the notch kezlege to the notches direction or recipient — to where, to whom
locative kezde at / in the notch kezlede at / in the notches where it is; also having — mende bar, "I have it"
ablative kezden from the notch kezleden from the notches 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 kezim my notch kezlerim my notches
your keziŋ your notch kezleriŋ your notches
his / her kezi his / her notch kezleri his / her notches
our kezibiz our notch kezleribiz our notches
you all's kezigiz you all's notch kezlerigiz you all's notches
their kezleri their notch kezleri their notches

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