dekabrist

/dekabrist/

Cases

SingularPluralWhen to use it
nominativedekabristthe Decembristdekabristlethe Decembriststhe plain dictionary form — the doer of the sentence
genitivedekabristnithe Decembrist'sdekabristlenithe Decembrists'the owner — whose it is
accusativedekabristnithe Decembrist (as the object)dekabristlenithe Decembrists (as the object)a specific, known object — whom or what
dativedekabristgeto the Decembristdekabristlegeto the Decembristsdirection or recipient — to where, to whom
locativedekabristdeat / in the Decembristdekabristledeat / in the Decembristswhere it is; also having — mende bar, "I have it"
ablativedekabristdenfrom the Decembristdekabristledenfrom the Decembristswhere 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
mydekabristimmy Decembristdekabristlerimmy Decembrists
yourdekabristingyour Decembristdekabristleringyour Decembrists
his / herdekabristihis / her Decembristdekabristlerihis / her Decembrists
ourdekabristibizour Decembristdekabristleribizour Decembrists
you all'sdekabristigizyou all's Decembristdekabristlerigizyou all's Decembrists
theirdekabristleritheir Decembristdekabristleritheir Decembrists

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