kategoriya

/kateɡorija/

Cases

SingularPluralWhen to use it
nominativekategoriyathe categorykategoriyalathe categoriesthe plain dictionary form — the doer of the sentence
genitivekategoriyanıthe category'skategoriyalanıthe categories'the owner — whose it is
accusativekategoriyanıthe category (as the object)kategoriyalanıthe categories (as the object)a specific, known object — whom or what
dativekategoriyağato the categorykategoriyalağato the categoriesdirection or recipient — to where, to whom
locativekategoriyadaat / in the categorykategoriyaladaat / in the categorieswhere it is; also having — mende bar, "I have it"
ablativekategoriyadanfrom the categorykategoriyaladanfrom the categorieswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
mykategoriyammy categorykategoriyalarımmy categories
yourkategoriyangyour categorykategoriyalarıngyour categories
his / herkategoriyasıhis / her categorykategoriyalarıhis / her categories
ourkategoriyabızour categorykategoriyalarıbızour categories
you all'skategoriyağızyou all's categorykategoriyalarığızyou all's categories
theirkategoriyalarıtheir categorykategoriyalarıtheir categories

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