közlük

/køzlyk/

Cases

SingularPluralWhen to use it
nominativeközlükthe spectaclesközlüklethe spectaclesesthe plain dictionary form — the doer of the sentence
genitiveközlüknüthe spectacles'közlüklenithe spectacleses'the owner — whose it is
accusativeközlüknüthe spectacles (as the object)közlüklenithe spectacleses (as the object)a specific, known object — whom or what
dativeközlükgeto the spectaclesközlüklegeto the spectaclesesdirection or recipient — to where, to whom
locativeközlükdeat / in the spectaclesközlükledeat / in the spectacleseswhere it is; also having — mende bar, "I have it"
ablativeközlükdenfrom the spectaclesközlükledenfrom the spectacleseswhere 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
myközlügümmy spectaclesközlüklerimmy spectacleses
yourközlügüngyour spectaclesközlükleringyour spectacleses
his / herközlügühis / her spectaclesközlüklerihis / her spectacleses
ourközlügübüzour spectaclesközlükleribizour spectacleses
you all'sközlügügüzyou all's spectaclesközlüklerigizyou all's spectacleses
theirközlükleritheir spectaclesközlükleritheir spectacleses

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