rezhim

/reʒim/

Cases

SingularPluralWhen to use it
nominativerezhimthe regimenrezhimlethe regimensthe plain dictionary form — the doer of the sentence
genitiverezhimnithe regimen'srezhimlenithe regimens'the owner — whose it is
accusativerezhimnithe regimen (as the object)rezhimlenithe regimens (as the object)a specific, known object — whom or what
dativerezhimgeto the regimenrezhimlegeto the regimensdirection or recipient — to where, to whom
locativerezhimdeat / in the regimenrezhimledeat / in the regimenswhere it is; also having — mende bar, "I have it"
ablativerezhimdenfrom the regimenrezhimledenfrom the regimenswhere 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
myrezhimimmy regimenrezhimlerimmy regimens
yourrezhimingyour regimenrezhimleringyour regimens
his / herrezhimihis / her regimenrezhimlerihis / her regimens
ourrezhimibizour regimenrezhimleribizour regimens
you all'srezhimigizyou all's regimenrezhimlerigizyou all's regimens
theirrezhimleritheir regimenrezhimleritheir regimens

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