fantastika

/fantastika/

Cases

SingularPluralWhen to use it
nominativefantastikathe fictionfantastikalathe fictionsthe plain dictionary form — the doer of the sentence
genitivefantastikanıthe fiction'sfantastikalanıthe fictions'the owner — whose it is
accusativefantastikanıthe fiction (as the object)fantastikalanıthe fictions (as the object)a specific, known object — whom or what
dativefantastikağato the fictionfantastikalağato the fictionsdirection or recipient — to where, to whom
locativefantastikadaat / in the fictionfantastikaladaat / in the fictionswhere it is; also having — mende bar, "I have it"
ablativefantastikadanfrom the fictionfantastikaladanfrom the fictionswhere 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
myfantastikammy fictionfantastikalarımmy fictions
yourfantastikangyour fictionfantastikalarıngyour fictions
his / herfantastikasıhis / her fictionfantastikalarıhis / her fictions
ourfantastikabızour fictionfantastikalarıbızour fictions
you all'sfantastikağızyou all's fictionfantastikalarığızyou all's fictions
theirfantastikalarıtheir fictionfantastikalarıtheir fictions

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