süygen

/syjɡen/

Cases

SingularPluralWhen to use it
nominativesüygenthe sweetheartsüygenlethe sweetheartsthe plain dictionary form — the doer of the sentence
genitivesüygennithe sweetheart'ssüygenlenithe sweethearts'the owner — whose it is
accusativesüygennithe sweetheart (as the object)süygenlenithe sweethearts (as the object)a specific, known object — whom or what
dativesüygengeto the sweetheartsüygenlegeto the sweetheartsdirection or recipient — to where, to whom
locativesüygendeat / in the sweetheartsüygenledeat / in the sweetheartswhere it is; also having — mende bar, "I have it"
ablativesüygendenfrom the sweetheartsüygenledenfrom the sweetheartswhere 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
mysüygenimmy sweetheartsüygenlerimmy sweethearts
yoursüygeningyour sweetheartsüygenleringyour sweethearts
his / hersüygenihis / her sweetheartsüygenlerihis / her sweethearts
oursüygenibizour sweetheartsüygenleribizour sweethearts
you all'ssüygenigizyou all's sweetheartsüygenlerigizyou all's sweethearts
theirsüygenleritheir sweetheartsüygenleritheir sweethearts

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