gol

/ɡol/

Cases

SingularPluralWhen to use it
nominativegolthe goalgollathe goalsthe plain dictionary form — the doer of the sentence
genitivegolnuthe goal'sgollanıthe goals'the owner — whose it is
accusativegolnuthe goal (as the object)gollanıthe goals (as the object)a specific, known object — whom or what
dativegolğato the goalgollağato the goalsdirection or recipient — to where, to whom
locativegoldaat / in the goalgolladaat / in the goalswhere it is; also having — mende bar, "I have it"
ablativegoldanfrom the goalgolladanfrom the goalswhere 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
mygolummy goalgollarımmy goals
yourgolungyour goalgollarıngyour goals
his / hergoluhis / her goalgollarıhis / her goals
ourgolubuzour goalgollarıbızour goals
you all'sgoluğuzyou all's goalgollarığızyou all's goals
theirgollarıtheir goalgollarıtheir goals

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