quyu

/quju/

Cases

SingularPluralWhen to use it
nominativequyuthe wellquyulathe wellsthe plain dictionary form — the doer of the sentence
genitivequyunuthe well'squyulanıthe wells'the owner — whose it is
accusativequyunuthe well (as the object)quyulanıthe wells (as the object)a specific, known object — whom or what
dativequyuğato the wellquyulağato the wellsdirection or recipient — to where, to whom
locativequyudaat / in the wellquyuladaat / in the wellswhere it is; also having — mende bar, "I have it"
ablativequyudanfrom the wellquyuladanfrom the wellswhere 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
myquyummy wellquyularımmy wells
yourquyungyour wellquyularıngyour wells
his / herquyusuhis / her wellquyularıhis / her wells
ourquyubuzour wellquyularıbızour wells
you all'squyuğuzyou all's wellquyularığızyou all's wells
theirquyularıtheir wellquyularıtheir wells

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