karnaş

/ qarnaʃ /

Cases

SingularPluralWhen to use it
nominative karnaş the brother karnaşla the brothers the plain dictionary form — the doer of the sentence
genitive karnaşnı the brother's karnaşlanı the brothers' the owner — whose it is
accusative karnaşnı the brother (as the object) karnaşlanı the brothers (as the object) a specific, known object — whom or what
dative karnaşha to the brother karnaşlağa to the brothers direction or recipient — to where, to whom
locative karnaşda at / in the brother karnaşlada at / in the brothers where it is; also having — mende bar, "I have it"
ablative karnaşdan from the brother karnaşladan from the brothers 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 karnaşım my brother karnaşlarım my brothers
your karnaşıng your brother karnaşlarıng your brothers
his / her karnaşı his / her brother karnaşları his / her brothers
our karnaşıbız our brother karnaşlarıbız our brothers
you all's karnaşığız you all's brother karnaşlarığız you all's brothers
their karnaşları their brother karnaşları their brothers

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