sernek

/sernek/

Cases

SingularPluralWhen to use it
nominativesernekthe matchserneklethe matchesthe plain dictionary form — the doer of the sentence
genitiveserneknithe match'sserneklenithe matches'the owner — whose it is
accusativeserneknithe match (as the object)serneklenithe matches (as the object)a specific, known object — whom or what
dativesernekgeto the matchserneklegeto the matchesdirection or recipient — to where, to whom
locativesernekdeat / in the matchsernekledeat / in the matcheswhere it is; also having — mende bar, "I have it"
ablativesernekdenfrom the matchsernekledenfrom the matcheswhere 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
mysernegimmy matchserneklerimmy matches
yoursernegingyour matchsernekleringyour matches
his / hersernegihis / her matchserneklerihis / her matches
oursernegibizour matchsernekleribizour matches
you all'ssernegigizyou all's matchserneklerigizyou all's matches
theirsernekleritheir matchsernekleritheir matches

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