gayka

/ɡajka/

Cases

SingularPluralWhen to use it
nominativegaykathe nutgaykalathe nutsthe plain dictionary form — the doer of the sentence
genitivegaykanıthe nut'sgaykalanıthe nuts'the owner — whose it is
accusativegaykanıthe nut (as the object)gaykalanıthe nuts (as the object)a specific, known object — whom or what
dativegaykağato the nutgaykalağato the nutsdirection or recipient — to where, to whom
locativegaykadaat / in the nutgaykaladaat / in the nutswhere it is; also having — mende bar, "I have it"
ablativegaykadanfrom the nutgaykaladanfrom the nutswhere 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
mygaykammy nutgaykalarımmy nuts
yourgaykangyour nutgaykalarıngyour nuts
his / hergaykasıhis / her nutgaykalarıhis / her nuts
ourgaykabızour nutgaykalarıbızour nuts
you all'sgaykağızyou all's nutgaykalarığızyou all's nuts
theirgaykalarıtheir nutgaykalarıtheir nuts

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