siŋiw

/ siŋiw /

Cases

SingularPluralWhen to use it
nominative siŋiw the soaking in siŋiwle the soaking ins the plain dictionary form — the doer of the sentence
genitive siŋiwni the soaking in's siŋiwleni the soaking ins' the owner — whose it is
accusative siŋiwni the soaking in (as the object) siŋiwleni the soaking ins (as the object) a specific, known object — whom or what
dative siŋiwge to the soaking in siŋiwlege to the soaking ins direction or recipient — to where, to whom
locative siŋiwde at / in the soaking in siŋiwlede at / in the soaking ins where it is; also having — mende bar, "I have it"
ablative siŋiwden from the soaking in siŋiwleden from the soaking ins 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 siŋiwim my soaking in siŋiwlerim my soaking ins
your siŋiwiŋ your soaking in siŋiwleriŋ your soaking ins
his / her siŋiwi his / her soaking in siŋiwleri his / her soaking ins
our siŋiwibiz our soaking in siŋiwleribiz our soaking ins
you all's siŋiwigiz you all's soaking in siŋiwlerigiz you all's soaking ins
their siŋiwleri their soaking in siŋiwleri their soaking ins

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