quruwçu

/ quruwtʃu /

Cases

SingularPluralWhen to use it
nominative quruwçu the one who builds quruwçula the one who buildses the plain dictionary form — the doer of the sentence
genitive quruwçunu the one who builds' quruwçulanı the one who buildses' the owner — whose it is
accusative quruwçunu the one who builds (as the object) quruwçulanı the one who buildses (as the object) a specific, known object — whom or what
dative quruwçuğa to the one who builds quruwçulağa to the one who buildses direction or recipient — to where, to whom
locative quruwçuda at / in the one who builds quruwçulada at / in the one who buildses where it is; also having — mende bar, "I have it"
ablative quruwçudan from the one who builds quruwçuladan from the one who buildses 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 quruwçum my one who builds quruwçularım my one who buildses
your quruwçuŋ your one who builds quruwçularıŋ your one who buildses
his / her quruwçusu his / her one who builds quruwçuları his / her one who buildses
our quruwçubuz our one who builds quruwçularıbız our one who buildses
you all's quruwçuğuz you all's one who builds quruwçularığız you all's one who buildses
their quruwçuları their one who builds quruwçuları their one who buildses

The overlap in the last rows is real, not a mistake: quruwçuları can mean "his / her one who buildses", "their one who builds", or "their one who buildses" — context decides.