eger

/eɡer/

Cases

SingularPluralWhen to use it
nominativeegerthe houndegerlethe houndsthe plain dictionary form — the doer of the sentence
genitiveegernithe hound'segerlenithe hounds'the owner — whose it is
accusativeegernithe hound (as the object)egerlenithe hounds (as the object)a specific, known object — whom or what
dativeegergeto the houndegerlegeto the houndsdirection or recipient — to where, to whom
locativeegerdeat / in the houndegerledeat / in the houndswhere it is; also having — mende bar, "I have it"
ablativeegerdenfrom the houndegerledenfrom the houndswhere 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
myegerimmy houndegerlerimmy hounds
youregeringyour houndegerleringyour hounds
his / heregerihis / her houndegerlerihis / her hounds
ouregeribizour houndegerleribizour hounds
you all'segerigizyou all's houndegerlerigizyou all's hounds
theiregerleritheir houndegerleritheir hounds

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