kördewük

/kørdewyk/

Cases

FormWhen to use it
nominativekördewükthe copper sulphatethe plain dictionary form — the doer of the sentence
genitivekördewüknüthe copper sulphate'sthe owner — whose it is
accusativekördewüknüthe copper sulphate (as the object)a specific, known object — whom or what
dativekördewükgeto the copper sulphatedirection or recipient — to where, to whom
locativekördewükdeat / in the copper sulphatewhere it is; also having — mende bar, "I have it"
ablativekördewükdenfrom the copper sulphatewhere 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

Owned
mykördewügümmy copper sulphate
yourkördewügüngyour copper sulphate
his / herkördewügühis / her copper sulphate
ourkördewügübüzour copper sulphate
you all'skördewügügüzyou all's copper sulphate
theirkördewükleritheir copper sulphate

There is no plural of this word. The ending would attach like any other — it is the word, not the grammar, that refuses: this is not something Karachay counts.