boks

/boks/

Cases

SingularPluralWhen to use it
nominativeboksthe boxingbokslathe boxingsthe plain dictionary form — the doer of the sentence
genitiveboksnuthe boxing'sbokslanıthe boxings'the owner — whose it is
accusativeboksnuthe boxing (as the object)bokslanıthe boxings (as the object)a specific, known object — whom or what
dativebokshato the boxingbokslağato the boxingsdirection or recipient — to where, to whom
locativeboksdaat / in the boxingboksladaat / in the boxingswhere it is; also having — mende bar, "I have it"
ablativeboksdanfrom the boxingboksladanfrom the boxingswhere 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
myboksummy boxingbokslarımmy boxings
yourboksungyour boxingbokslarıngyour boxings
his / herboksuhis / her boxingbokslarıhis / her boxings
ourboksubuzour boxingbokslarıbızour boxings
you all'sboksuğuzyou all's boxingbokslarığızyou all's boxings
theirbokslarıtheir boxingbokslarıtheir boxings

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