çers

/tʃers/

Cases

SingularPluralWhen to use it
nominativeçersthe honourçerslethe honoursthe plain dictionary form — the doer of the sentence
genitiveçersnithe honour'sçerslenithe honours'the owner — whose it is
accusativeçersnithe honour (as the object)çerslenithe honours (as the object)a specific, known object — whom or what
dativeçersgeto the honourçerslegeto the honoursdirection or recipient — to where, to whom
locativeçersdeat / in the honourçersledeat / in the honourswhere it is; also having — mende bar, "I have it"
ablativeçersdenfrom the honourçersledenfrom the honourswhere 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
myçersimmy honourçerslerimmy honours
yourçersingyour honourçersleringyour honours
his / herçersihis / her honourçerslerihis / her honours
ourçersibizour honourçersleribizour honours
you all'sçersigizyou all's honourçerslerigizyou all's honours
theirçersleritheir honourçersleritheir honours

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