ağartıw

/ aʁartɯw /

Cases

SingularPluralWhen to use it
nominative ağartıw the whitening ağartıwla the whitenings the plain dictionary form — the doer of the sentence
genitive ağartıwnu the whitening's ağartıwlanı the whitenings' the owner — whose it is
accusative ağartıwnu the whitening (as the object) ağartıwlanı the whitenings (as the object) a specific, known object — whom or what
dative ağartıwğa to the whitening ağartıwlağa to the whitenings direction or recipient — to where, to whom
locative ağartıwda at / in the whitening ağartıwlada at / in the whitenings where it is; also having — mende bar, "I have it"
ablative ağartıwdan from the whitening ağartıwladan from the whitenings 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 ağartıwum my whitening ağartıwlarım my whitenings
your ağartıwuŋ your whitening ağartıwlarıŋ your whitenings
his / her ağartıwu his / her whitening ağartıwları his / her whitenings
our ağartıwubuz our whitening ağartıwlarıbız our whitenings
you all's ağartıwuğuz you all's whitening ağartıwlarığız you all's whitenings
their ağartıwları their whitening ağartıwları their whitenings

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