sessiya

/sessija/

Cases

SingularPluralWhen to use it
nominativesessiyathe sessionsessiyalathe sessionsthe plain dictionary form — the doer of the sentence
genitivesessiyanıthe session'ssessiyalanıthe sessions'the owner — whose it is
accusativesessiyanıthe session (as the object)sessiyalanıthe sessions (as the object)a specific, known object — whom or what
dativesessiyağato the sessionsessiyalağato the sessionsdirection or recipient — to where, to whom
locativesessiyadaat / in the sessionsessiyaladaat / in the sessionswhere it is; also having — mende bar, "I have it"
ablativesessiyadanfrom the sessionsessiyaladanfrom the sessionswhere 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
mysessiyammy sessionsessiyalarımmy sessions
yoursessiyangyour sessionsessiyalarıngyour sessions
his / hersessiyasıhis / her sessionsessiyalarıhis / her sessions
oursessiyabızour sessionsessiyalarıbızour sessions
you all'ssessiyağızyou all's sessionsessiyalarığızyou all's sessions
theirsessiyalarıtheir sessionsessiyalarıtheir sessions

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