erkelew

/erkelew/

Cases

SingularPluralWhen to use it
nominativeerkelewthe pettingerkelewlethe pettingsthe plain dictionary form — the doer of the sentence
genitiveerkelewnithe petting'serkelewlenithe pettings'the owner — whose it is
accusativeerkelewnithe petting (as the object)erkelewlenithe pettings (as the object)a specific, known object — whom or what
dativeerkelewgeto the pettingerkelewlegeto the pettingsdirection or recipient — to where, to whom
locativeerkelewdeat / in the pettingerkelewledeat / in the pettingswhere it is; also having — mende bar, "I have it"
ablativeerkelewdenfrom the pettingerkelewledenfrom the pettingswhere 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
myerkelewimmy pettingerkelewlerimmy pettings
yourerkelewingyour pettingerkelewleringyour pettings
his / hererkelewihis / her pettingerkelewlerihis / her pettings
ourerkelewibizour pettingerkelewleribizour pettings
you all'serkelewigizyou all's pettingerkelewlerigizyou all's pettings
theirerkelewleritheir pettingerkelewleritheir pettings

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