biografiya

/bioɡrafija/

Cases

SingularPluralWhen to use it
nominativebiografiyathe biographybiografiyalathe biographiesthe plain dictionary form — the doer of the sentence
genitivebiografiyanıthe biography'sbiografiyalanıthe biographies'the owner — whose it is
accusativebiografiyanıthe biography (as the object)biografiyalanıthe biographies (as the object)a specific, known object — whom or what
dativebiografiyağato the biographybiografiyalağato the biographiesdirection or recipient — to where, to whom
locativebiografiyadaat / in the biographybiografiyaladaat / in the biographieswhere it is; also having — mende bar, "I have it"
ablativebiografiyadanfrom the biographybiografiyaladanfrom the biographieswhere 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
mybiografiyammy biographybiografiyalarımmy biographies
yourbiografiyangyour biographybiografiyalarıngyour biographies
his / herbiografiyasıhis / her biographybiografiyalarıhis / her biographies
ourbiografiyabızour biographybiografiyalarıbızour biographies
you all'sbiografiyağızyou all's biographybiografiyalarığızyou all's biographies
theirbiografiyalarıtheir biographybiografiyalarıtheir biographies

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