tost

/tost/

Cases

SingularPluralWhen to use it
nominativetostthe toasttostlathe toaststhe plain dictionary form — the doer of the sentence
genitivetostnuthe toast'stostlanıthe toasts'the owner — whose it is
accusativetostnuthe toast (as the object)tostlanıthe toasts (as the object)a specific, known object — whom or what
dativetosthato the toasttostlağato the toastsdirection or recipient — to where, to whom
locativetostdaat / in the toasttostladaat / in the toastswhere it is; also having — mende bar, "I have it"
ablativetostdanfrom the toasttostladanfrom the toastswhere 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
mytostummy toasttostlarımmy toasts
yourtostungyour toasttostlarıngyour toasts
his / hertostuhis / her toasttostlarıhis / her toasts
ourtostubuzour toasttostlarıbızour toasts
you all'stostuğuzyou all's toasttostlarığızyou all's toasts
theirtostlarıtheir toasttostlarıtheir toasts

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