tasha

/ tasxa /

Cases

SingularPluralWhen to use it
nominative tasha the secret tashala the secrets the plain dictionary form — the doer of the sentence
genitive tashanı the secret's tashalanı the secrets' the owner — whose it is
accusative tashanı the secret (as the object) tashalanı the secrets (as the object) a specific, known object — whom or what
dative tashağa to the secret tashalağa to the secrets direction or recipient — to where, to whom
locative tashada at / in the secret tashalada at / in the secrets where it is; also having — mende bar, "I have it"
ablative tashadan from the secret tashaladan from the secrets 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 tasham my secret tashalarım my secrets
your tashaŋ your secret tashalarıŋ your secrets
his / her tashası his / her secret tashaları his / her secrets
our tashabız our secret tashalarıbız our secrets
you all's tashağız you all's secret tashalarığız you all's secrets
their tashaları their secret tashaları their secrets

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