köbelek

/købelek/

Cases

SingularPluralWhen to use it
nominativeköbelekthe butterflyköbeleklethe butterfliesthe plain dictionary form — the doer of the sentence
genitiveköbeleknithe butterfly'sköbeleklenithe butterflies'the owner — whose it is
accusativeköbeleknithe butterfly (as the object)köbeleklenithe butterflies (as the object)a specific, known object — whom or what
dativeköbelekgeto the butterflyköbeleklegeto the butterfliesdirection or recipient — to where, to whom
locativeköbelekdeat / in the butterflyköbelekledeat / in the butterflieswhere it is; also having — mende bar, "I have it"
ablativeköbelekdenfrom the butterflyköbelekledenfrom the butterflieswhere 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
myköbelegimmy butterflyköbeleklerimmy butterflies
yourköbelegingyour butterflyköbelekleringyour butterflies
his / herköbelegihis / her butterflyköbeleklerihis / her butterflies
ourköbelegibizour butterflyköbelekleribizour butterflies
you all'sköbelegigizyou all's butterflyköbeleklerigizyou all's butterflies
theirköbelekleritheir butterflyköbelekleritheir butterflies

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