reçka

/retʃka/

Cases

SingularPluralWhen to use it
nominativereçkathe buckwheatreçkalathe buckwheatthe plain dictionary form — the doer of the sentence
genitivereçkanıthe buckwheat'sreçkalanıthe buckwheat'sthe owner — whose it is
accusativereçkanıthe buckwheat (as the object)reçkalanıthe buckwheat (as the object)a specific, known object — whom or what
dativereçkağato the buckwheatreçkalağato the buckwheatdirection or recipient — to where, to whom
locativereçkadaat / in the buckwheatreçkaladaat / in the buckwheatwhere it is; also having — mende bar, "I have it"
ablativereçkadanfrom the buckwheatreçkaladanfrom the buckwheatwhere 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
myreçkammy buckwheatreçkalarımmy buckwheat
yourreçkangyour buckwheatreçkalarıngyour buckwheat
his / herreçkasıhis / her buckwheatreçkalarıhis / her buckwheat
ourreçkabızour buckwheatreçkalarıbızour buckwheat
you all'sreçkağızyou all's buckwheatreçkalarığızyou all's buckwheat
theirreçkalarıtheir buckwheatreçkalarıtheir buckwheat

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