bıçak

/ bɯtʃaq /

Cases

SingularPluralWhen to use it
nominative bıçak the knife bıçakla the knives the plain dictionary form — the doer of the sentence
genitive bıçaknı the knife's bıçaklanı the knives' the owner — whose it is
accusative bıçaknı the knife (as the object) bıçaklanı the knives (as the object) a specific, known object — whom or what
dative bıçakğa to the knife bıçaklağa to the knives direction or recipient — to where, to whom
locative bıçakda at / in the knife bıçaklada at / in the knives where it is; also having — mende bar, "I have it"
ablative bıçakdan from the knife bıçakladan from the knives 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 bıçağım my knife bıçaklarım my knives
your bıçağıng your knife bıçaklarıng your knives
his / her bıçağı his / her knife bıçakları his / her knives
our bıçağıbız our knife bıçaklarıbız our knives
you all's bıçağığız you all's knife bıçaklarığız you all's knives
their bıçakları their knife bıçakları their knives

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