üçmüyüş

/ytʃmyjyʃ/

Cases

SingularPluralWhen to use it
nominativeüçmüyüşthe triangleüçmüyüşlethe trianglesthe plain dictionary form — the doer of the sentence
genitiveüçmüyüşnüthe triangle'süçmüyüşlenithe triangles'the owner — whose it is
accusativeüçmüyüşnüthe triangle (as the object)üçmüyüşlenithe triangles (as the object)a specific, known object — whom or what
dativeüçmüyüşgeto the triangleüçmüyüşlegeto the trianglesdirection or recipient — to where, to whom
locativeüçmüyüşdeat / in the triangleüçmüyüşledeat / in the triangleswhere it is; also having — mende bar, "I have it"
ablativeüçmüyüşdenfrom the triangleüçmüyüşledenfrom the triangleswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
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
myüçmüyüşümmy triangleüçmüyüşlerimmy triangles
yourüçmüyüşüngyour triangleüçmüyüşleringyour triangles
his / herüçmüyüşühis / her triangleüçmüyüşlerihis / her triangles
ourüçmüyüşübüzour triangleüçmüyüşleribizour triangles
you all'süçmüyüşügüzyou all's triangleüçmüyüşlerigizyou all's triangles
theirüçmüyüşleritheir triangleüçmüyüşleritheir triangles

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