qartlıq

/ qartlɯq /

Cases

SingularPluralWhen to use it
nominative qartlıq the old age qartlıqla the old ages the plain dictionary form — the doer of the sentence
genitive qartlıqnı the old age's qartlıqlanı the old ages' the owner — whose it is
accusative qartlıqnı the old age (as the object) qartlıqlanı the old ages (as the object) a specific, known object — whom or what
dative qartlıqğa to the old age qartlıqlağa to the old ages direction or recipient — to where, to whom
locative qartlıqda at / in the old age qartlıqlada at / in the old ages where it is; also having — mende bar, "I have it"
ablative qartlıqdan from the old age qartlıqladan from the old ages 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 qartlığım my old age qartlıqlarım my old ages
your qartlığıŋ your old age qartlıqlarıŋ your old ages
his / her qartlığı his / her old age qartlıqları his / her old ages
our qartlığıbız our old age qartlıqlarıbız our old ages
you all's qartlığığız you all's old age qartlıqlarığız you all's old ages
their qartlıqları their old age qartlıqları their old ages

The overlap in the last rows is real, not a mistake: qartlıqları can mean "his / her old ages", "their old age", or "their old ages" — context decides.