tahsa

/ taxsa /

Cases

SingularPluralWhen to use it
nominative tahsa the secret tahsala the secrets the plain dictionary form — the doer of the sentence
genitive tahsanı the secret's tahsalanı the secrets' the owner — whose it is
accusative tahsanı the secret (as the object) tahsalanı the secrets (as the object) a specific, known object — whom or what
dative tahsağa to the secret tahsalağa to the secrets direction or recipient — to where, to whom
locative tahsada at / in the secret tahsalada at / in the secrets where it is; also having — mende bar, "I have it"
ablative tahsadan from the secret tahsaladan 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 tahsam my secret tahsalarım my secrets
your tahsaŋ your secret tahsalarıŋ your secrets
his / her tahsası his / her secret tahsaları his / her secrets
our tahsabız our secret tahsalarıbız our secrets
you all's tahsağız you all's secret tahsalarığız you all's secrets
their tahsaları their secret tahsaları their secrets

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