terek

/terek/

Cases

SingularPluralWhen to use it
nominativeterekthe treetereklethe treesthe plain dictionary form — the doer of the sentence
genitivetereknithe tree'stereklenithe trees'the owner — whose it is
accusativetereknithe tree (as the object)tereklenithe trees (as the object)a specific, known object — whom or what
dativeterekgeto the treetereklegeto the treesdirection or recipient — to where, to whom
locativeterekdeat / in the treeterekledeat / in the treeswhere it is; also having — mende bar, "I have it"
ablativeterekdenfrom the treeterekledenfrom the treeswhere 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
myteregimmy treetereklerimmy trees
yourteregingyour treeterekleringyour trees
his / herteregihis / her treetereklerihis / her trees
ourteregibizour treeterekleribizour trees
you all'steregigizyou all's treetereklerigizyou all's trees
theirterekleritheir treeterekleritheir trees

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