süngü

/syŋy/

Cases

SingularPluralWhen to use it
nominativesüngüthe spearsüngülethe spearsthe plain dictionary form — the doer of the sentence
genitivesüngünüthe spear'ssüngülenithe spears'the owner — whose it is
accusativesüngünüthe spear (as the object)süngülenithe spears (as the object)a specific, known object — whom or what
dativesüngügeto the spearsüngülegeto the spearsdirection or recipient — to where, to whom
locativesüngüdeat / in the spearsüngüledeat / in the spearswhere it is; also having — mende bar, "I have it"
ablativesüngüdenfrom the spearsüngüledenfrom the spearswhere 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
mysüngümmy spearsüngülerimmy spears
yoursüngüngyour spearsüngüleringyour spears
his / hersüngüsühis / her spearsüngülerihis / her spears
oursüngübüzour spearsüngüleribizour spears
you all'ssüngügüzyou all's spearsüngülerigizyou all's spears
theirsüngüleritheir spearsüngüleritheir spears

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