barmakçık

/ barmaqtʃɯq /

Cases

SingularPluralWhen to use it
nominative barmakçık the finger barmakçıkla the fingers the plain dictionary form — the doer of the sentence
genitive barmakçıknı the finger's barmakçıklanı the fingers' the owner — whose it is
accusative barmakçıknı the finger (as the object) barmakçıklanı the fingers (as the object) a specific, known object — whom or what
dative barmakçıkğa to the finger barmakçıklağa to the fingers direction or recipient — to where, to whom
locative barmakçıkda at / in the finger barmakçıklada at / in the fingers where it is; also having — mende bar, "I have it"
ablative barmakçıkdan from the finger barmakçıkladan from the fingers 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 barmakçığım my finger barmakçıklarım my fingers
your barmakçığıng your finger barmakçıklarıng your fingers
his / her barmakçığı his / her finger barmakçıkları his / her fingers
our barmakçığıbız our finger barmakçıklarıbız our fingers
you all's barmakçığığız you all's finger barmakçıklarığız you all's fingers
their barmakçıkları their finger barmakçıkları their fingers

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