gospodin

/ɡospodin/

Cases

SingularPluralWhen to use it
nominativegospodinthe sirgospodinlethe sirsthe plain dictionary form — the doer of the sentence
genitivegospodinnithe sir'sgospodinlenithe sirs'the owner — whose it is
accusativegospodinnithe sir (as the object)gospodinlenithe sirs (as the object)a specific, known object — whom or what
dativegospodingeto the sirgospodinlegeto the sirsdirection or recipient — to where, to whom
locativegospodindeat / in the sirgospodinledeat / in the sirswhere it is; also having — mende bar, "I have it"
ablativegospodindenfrom the sirgospodinledenfrom the sirswhere 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
mygospodinimmy sirgospodinlerimmy sirs
yourgospodiningyour sirgospodinleringyour sirs
his / hergospodinihis / her sirgospodinlerihis / her sirs
ourgospodinibizour sirgospodinleribizour sirs
you all'sgospodinigizyou all's sirgospodinlerigizyou all's sirs
theirgospodinleritheir sirgospodinleritheir sirs

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