sümmek

/symmek/

Cases

SingularPluralWhen to use it
nominativesümmekthe spoutsümmeklethe spoutsthe plain dictionary form — the doer of the sentence
genitivesümmeknithe spout'ssümmeklenithe spouts'the owner — whose it is
accusativesümmeknithe spout (as the object)sümmeklenithe spouts (as the object)a specific, known object — whom or what
dativesümmekgeto the spoutsümmeklegeto the spoutsdirection or recipient — to where, to whom
locativesümmekdeat / in the spoutsümmekledeat / in the spoutswhere it is; also having — mende bar, "I have it"
ablativesümmekdenfrom the spoutsümmekledenfrom the spoutswhere 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
mysümmegimmy spoutsümmeklerimmy spouts
yoursümmegingyour spoutsümmekleringyour spouts
his / hersümmegihis / her spoutsümmeklerihis / her spouts
oursümmegibizour spoutsümmekleribizour spouts
you all'ssümmegigizyou all's spoutsümmeklerigizyou all's spouts
theirsümmekleritheir spoutsümmekleritheir spouts

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