öşün

/ øʃyn /

Cases

SingularPluralWhen to use it
nominative öşün the breast öşünle the breasts the plain dictionary form — the doer of the sentence
genitive öşünnü the breast's öşünleni the breasts' the owner — whose it is
accusative öşünnü the breast (as the object) öşünleni the breasts (as the object) a specific, known object — whom or what
dative öşünge to the breast öşünlege to the breasts direction or recipient — to where, to whom
locative öşünde at / in the breast öşünlede at / in the breasts where it is; also having — mende bar, "I have it"
ablative öşünden from the breast öşünleden from the breasts 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 öşünüm my breast öşünlerim my breasts
your öşünüŋ your breast öşünleriŋ your breasts
his / her öşünü his / her breast öşünleri his / her breasts
our öşünübüz our breast öşünleribiz our breasts
you all's öşünügüz you all's breast öşünlerigiz you all's breasts
their öşünleri their breast öşünleri their breasts

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