bıçaq

/bɯtʃaq/

Cases

SingularPluralWhen to use it
nominativebıçaqthe knifebıçaqlathe knivesthe plain dictionary form — the doer of the sentence
genitivebıçaqnıthe knife'sbıçaqlanıthe knives'the owner — whose it is
accusativebıçaqnıthe knife (as the object)bıçaqlanıthe knives (as the object)a specific, known object — whom or what
dativebıçaqğato the knifebıçaqlağato the knivesdirection or recipient — to where, to whom
locativebıçaqdaat / in the knifebıçaqladaat / in the kniveswhere it is; also having — mende bar, "I have it"
ablativebıçaqdanfrom the knifebıçaqladanfrom the kniveswhere 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
mybıçağımmy knifebıçaqlarımmy knives
yourbıçağıngyour knifebıçaqlarıngyour knives
his / herbıçağıhis / her knifebıçaqlarıhis / her knives
ourbıçağıbızour knifebıçaqlarıbızour knives
you all'sbıçağığızyou all's knifebıçaqlarığızyou all's knives
theirbıçaqlarıtheir knifebıçaqlarıtheir knives

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