küz

/ kyz /

Cases

SingularPluralWhen to use it
nominative küz the autumn küzle the autumns the plain dictionary form — the doer of the sentence
genitive küznü the autumn's küzleni the autumns' the owner — whose it is
accusative küznü the autumn (as the object) küzleni the autumns (as the object) a specific, known object — whom or what
dative küzge to the autumn küzlege to the autumns direction or recipient — to where, to whom
locative küzde at / in the autumn küzlede at / in the autumns where it is; also having — mende bar, "I have it"
ablative küzden from the autumn küzleden from the autumns 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 küzüm my autumn küzlerim my autumns
your küzüŋ your autumn küzleriŋ your autumns
his / her küzü his / her autumn küzleri his / her autumns
our küzübüz our autumn küzleribiz our autumns
you all's küzügüz you all's autumn küzlerigiz you all's autumns
their küzleri their autumn küzleri their autumns

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