krest

/krest/

Cases

SingularPluralWhen to use it
nominativekrestthe crosskrestlethe crossesthe plain dictionary form — the doer of the sentence
genitivekrestnithe cross'krestlenithe crosses'the owner — whose it is
accusativekrestnithe cross (as the object)krestlenithe crosses (as the object)a specific, known object — whom or what
dativekrestgeto the crosskrestlegeto the crossesdirection or recipient — to where, to whom
locativekrestdeat / in the crosskrestledeat / in the crosseswhere it is; also having — mende bar, "I have it"
ablativekrestdenfrom the crosskrestledenfrom the crosseswhere 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
mykrestimmy crosskrestlerimmy crosses
yourkrestingyour crosskrestleringyour crosses
his / herkrestihis / her crosskrestlerihis / her crosses
ourkrestibizour crosskrestleribizour crosses
you all'skrestigizyou all's crosskrestlerigizyou all's crosses
theirkrestleritheir crosskrestleritheir crosses

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