tanıwçu

/ tanɯwtʃu /

Cases

SingularPluralWhen to use it
nominative tanıwçu the one who knows tanıwçula the one who knowses the plain dictionary form — the doer of the sentence
genitive tanıwçunu the one who knows' tanıwçulanı the one who knowses' the owner — whose it is
accusative tanıwçunu the one who knows (as the object) tanıwçulanı the one who knowses (as the object) a specific, known object — whom or what
dative tanıwçuğa to the one who knows tanıwçulağa to the one who knowses direction or recipient — to where, to whom
locative tanıwçuda at / in the one who knows tanıwçulada at / in the one who knowses where it is; also having — mende bar, "I have it"
ablative tanıwçudan from the one who knows tanıwçuladan from the one who knowses 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 tanıwçum my one who knows tanıwçularım my one who knowses
your tanıwçuŋ your one who knows tanıwçularıŋ your one who knowses
his / her tanıwçusu his / her one who knows tanıwçuları his / her one who knowses
our tanıwçubuz our one who knows tanıwçularıbız our one who knowses
you all's tanıwçuğuz you all's one who knows tanıwçularığız you all's one who knowses
their tanıwçuları their one who knows tanıwçuları their one who knowses

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