tüzü

/ tyzy /

Cases

SingularPluralWhen to use it
nominative tüzü the truth tüzüle the truths the plain dictionary form — the doer of the sentence
genitive tüzünü the truth's tüzüleni the truths' the owner — whose it is
accusative tüzünü the truth (as the object) tüzüleni the truths (as the object) a specific, known object — whom or what
dative tüzüge to the truth tüzülege to the truths direction or recipient — to where, to whom
locative tüzüde at / in the truth tüzülede at / in the truths where it is; also having — mende bar, "I have it"
ablative tüzüden from the truth tüzüleden from the truths 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 tüzüm my truth tüzülerim my truths
your tüzüŋ your truth tüzüleriŋ your truths
his / her tüzüsü his / her truth tüzüleri his / her truths
our tüzübüz our truth tüzüleribiz our truths
you all's tüzügüz you all's truth tüzülerigiz you all's truths
their tüzüleri their truth tüzüleri their truths

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