dünele

/dynele/

Cases

SingularPluralWhen to use it
nominativedünelethe worlddünelelethe worldsthe plain dictionary form — the doer of the sentence
genitivedünelenithe world'sdünelelenithe worlds'the owner — whose it is
accusativedünelenithe world (as the object)dünelelenithe worlds (as the object)a specific, known object — whom or what
dativedünelegeto the worlddünelelegeto the worldsdirection or recipient — to where, to whom
locativedüneledeat / in the worlddüneleledeat / in the worldswhere it is; also having — mende bar, "I have it"
ablativedüneledenfrom the worlddüneleledenfrom the worldswhere 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
mydünelemmy worlddünelelerimmy worlds
yourdünelengyour worlddüneleleringyour worlds
his / herdünelesihis / her worlddünelelerihis / her worlds
ourdünelebizour worlddüneleleribizour worlds
you all'sdünelegizyou all's worlddünelelerigizyou all's worlds
theirdüneleleritheir worlddüneleleritheir worlds

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