aspirant

/aspirant/

Cases

SingularPluralWhen to use it
nominativeaspirantthe postgraduate studentaspirantlathe postgraduate studentsthe plain dictionary form — the doer of the sentence
genitiveaspirantnıthe postgraduate student'saspirantlanıthe postgraduate students'the owner — whose it is
accusativeaspirantnıthe postgraduate student (as the object)aspirantlanıthe postgraduate students (as the object)a specific, known object — whom or what
dativeaspiranthato the postgraduate studentaspirantlağato the postgraduate studentsdirection or recipient — to where, to whom
locativeaspirantdaat / in the postgraduate studentaspirantladaat / in the postgraduate studentswhere it is; also having — mende bar, "I have it"
ablativeaspirantdanfrom the postgraduate studentaspirantladanfrom the postgraduate studentswhere 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
myaspirantımmy postgraduate studentaspirantlarımmy postgraduate students
youraspirantıngyour postgraduate studentaspirantlarıngyour postgraduate students
his / heraspirantıhis / her postgraduate studentaspirantlarıhis / her postgraduate students
ouraspirantıbızour postgraduate studentaspirantlarıbızour postgraduate students
you all'saspirantığızyou all's postgraduate studentaspirantlarığızyou all's postgraduate students
theiraspirantlarıtheir postgraduate studentaspirantlarıtheir postgraduate students

The overlap in the last rows is real, not a mistake: aspirantları can mean "his / her postgraduate students", "their postgraduate student", or "their postgraduate students" — context decides.