özen

/ øzen /

Cases

SingularPluralWhen to use it
nominative özen the valley özenle the valleys the plain dictionary form — the doer of the sentence
genitive özenni the valley's özenleni the valleys' the owner — whose it is
accusative özenni the valley (as the object) özenleni the valleys (as the object) a specific, known object — whom or what
dative özenge to the valley özenlege to the valleys direction or recipient — to where, to whom
locative özende at / in the valley özenlede at / in the valleys where it is; also having — mende bar, "I have it"
ablative özenden from the valley özenleden from the valleys 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 özenim my valley özenlerim my valleys
your özeniŋ your valley özenleriŋ your valleys
his / her özeni his / her valley özenleri his / her valleys
our özenibiz our valley özenleribiz our valleys
you all's özenigiz you all's valley özenlerigiz you all's valleys
their özenleri their valley özenleri their valleys

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