çeren

/tʃeren/

Cases

SingularPluralWhen to use it
nominativeçerenthe rickçerenlethe ricksthe plain dictionary form — the doer of the sentence
genitiveçerennithe rick'sçerenlenithe ricks'the owner — whose it is
accusativeçerennithe rick (as the object)çerenlenithe ricks (as the object)a specific, known object — whom or what
dativeçerengeto the rickçerenlegeto the ricksdirection or recipient — to where, to whom
locativeçerendeat / in the rickçerenledeat / in the rickswhere it is; also having — mende bar, "I have it"
ablativeçerendenfrom the rickçerenledenfrom the rickswhere 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
myçerenimmy rickçerenlerimmy ricks
yourçereningyour rickçerenleringyour ricks
his / herçerenihis / her rickçerenlerihis / her ricks
ourçerenibizour rickçerenleribizour ricks
you all'sçerenigizyou all's rickçerenlerigizyou all's ricks
theirçerenleritheir rickçerenleritheir ricks

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