çertiw

/ tʃertiw /

Cases

SingularPluralWhen to use it
nominative çertiw the underlining çertiwle the underlinings the plain dictionary form — the doer of the sentence
genitive çertiwni the underlining's çertiwleni the underlinings' the owner — whose it is
accusative çertiwni the underlining (as the object) çertiwleni the underlinings (as the object) a specific, known object — whom or what
dative çertiwge to the underlining çertiwlege to the underlinings direction or recipient — to where, to whom
locative çertiwde at / in the underlining çertiwlede at / in the underlinings where it is; also having — mende bar, "I have it"
ablative çertiwden from the underlining çertiwleden from the underlinings 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 çertiwim my underlining çertiwlerim my underlinings
your çertiwiŋ your underlining çertiwleriŋ your underlinings
his / her çertiwi his / her underlining çertiwleri his / her underlinings
our çertiwibiz our underlining çertiwleribiz our underlinings
you all's çertiwigiz you all's underlining çertiwlerigiz you all's underlinings
their çertiwleri their underlining çertiwleri their underlinings

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