sözlük

/ søzlyk /

Cases

SingularPluralWhen to use it
nominative sözlük the dictionary sözlükle the dictionaries the plain dictionary form — the doer of the sentence
genitive sözlüknü the dictionary's sözlükleni the dictionaries' the owner — whose it is
accusative sözlüknü the dictionary (as the object) sözlükleni the dictionaries (as the object) a specific, known object — whom or what
dative sözlükge to the dictionary sözlüklege to the dictionaries direction or recipient — to where, to whom
locative sözlükde at / in the dictionary sözlüklede at / in the dictionaries where it is; also having — mende bar, "I have it"
ablative sözlükden from the dictionary sözlükleden from the dictionaries 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
my sözlügüm my dictionary sözlüklerim my dictionaries
your sözlügüŋ your dictionary sözlükleriŋ your dictionaries
his / her sözlügü his / her dictionary sözlükleri his / her dictionaries
our sözlügübüz our dictionary sözlükleribiz our dictionaries
you all's sözlügügüz you all's dictionary sözlüklerigiz you all's dictionaries
their sözlükleri their dictionary sözlükleri their dictionaries

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