çın

/tʃɯn/

Cases

SingularPluralWhen to use it
nominativeçınthe rankçınlathe ranksthe plain dictionary form — the doer of the sentence
genitiveçınnıthe rank'sçınlanıthe ranks'the owner — whose it is
accusativeçınnıthe rank (as the object)çınlanıthe ranks (as the object)a specific, known object — whom or what
dativeçıngato the rankçınlağato the ranksdirection or recipient — to where, to whom
locativeçındaat / in the rankçınladaat / in the rankswhere it is; also having — mende bar, "I have it"
ablativeçındanfrom the rankçınladanfrom the rankswhere 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
myçınımmy rankçınlarımmy ranks
yourçınıngyour rankçınlarıngyour ranks
his / herçınıhis / her rankçınlarıhis / her ranks
ourçınıbızour rankçınlarıbızour ranks
you all'sçınığızyou all's rankçınlarığızyou all's ranks
theirçınlarıtheir rankçınlarıtheir ranks

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