okop

/okop/

Cases

SingularPluralWhen to use it
nominativeokopthe trenchokoplathe trenchesthe plain dictionary form — the doer of the sentence
genitiveokopnuthe trench'sokoplanıthe trenches'the owner — whose it is
accusativeokopnuthe trench (as the object)okoplanıthe trenches (as the object)a specific, known object — whom or what
dativeokophato the trenchokoplağato the trenchesdirection or recipient — to where, to whom
locativeokopdaat / in the trenchokopladaat / in the trencheswhere it is; also having — mende bar, "I have it"
ablativeokopdanfrom the trenchokopladanfrom the trencheswhere 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
myokobummy trenchokoplarımmy trenches
yourokobungyour trenchokoplarıngyour trenches
his / herokobuhis / her trenchokoplarıhis / her trenches
ourokobubuzour trenchokoplarıbızour trenches
you all'sokobuğuzyou all's trenchokoplarığızyou all's trenches
theirokoplarıtheir trenchokoplarıtheir trenches

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