nöger

/ nøɡer /

Cases

SingularPluralWhen to use it
nominative nöger the companion nögerle the companions the plain dictionary form — the doer of the sentence
genitive nögerni the companion's nögerleni the companions' the owner — whose it is
accusative nögerni the companion (as the object) nögerleni the companions (as the object) a specific, known object — whom or what
dative nögerge to the companion nögerlege to the companions direction or recipient — to where, to whom
locative nögerde at / in the companion nögerlede at / in the companions where it is; also having — mende bar, "I have it"
ablative nögerden from the companion nögerleden from the companions 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
my nögerim my companion nögerlerim my companions
your nögeriŋ your companion nögerleriŋ your companions
his / her nögeri his / her companion nögerleri his / her companions
our nögeribiz our companion nögerleribiz our companions
you all's nögerigiz you all's companion nögerlerigiz you all's companions
their nögerleri their companion nögerleri their companions

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