çaç

/ tʃatʃ /

Cases

SingularPluralWhen to use it
nominative çaç the hair çaçla the hair the plain dictionary form — the doer of the sentence
genitive çaçnı the hair's çaçlanı the hair's the owner — whose it is
accusative çaçnı the hair (as the object) çaçlanı the hair (as the object) a specific, known object — whom or what
dative çaçha to the hair çaçlağa to the hair direction or recipient — to where, to whom
locative çaçda at / in the hair çaçlada at / in the hair where it is; also having — mende bar, "I have it"
ablative çaçdan from the hair çaçladan from the hair 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
my çaçım my hair çaçlarım my hair
your çaçıng your hair çaçlarıng your hair
his / her çaçı his / her hair çaçları his / her hair
our çaçıbız our hair çaçlarıbız our hair
you all's çaçığız you all's hair çaçlarığız you all's hair
their çaçları their hair çaçları their hair

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