joyum

/dʒojum/

Cases

SingularPluralWhen to use it
nominativejoyumthe expenditurejoyumlathe expendituresthe plain dictionary form — the doer of the sentence
genitivejoyumnuthe expenditure'sjoyumlanıthe expenditures'the owner — whose it is
accusativejoyumnuthe expenditure (as the object)joyumlanıthe expenditures (as the object)a specific, known object — whom or what
dativejoyumğato the expenditurejoyumlağato the expendituresdirection or recipient — to where, to whom
locativejoyumdaat / in the expenditurejoyumladaat / in the expenditureswhere it is; also having — mende bar, "I have it"
ablativejoyumdanfrom the expenditurejoyumladanfrom the expenditureswhere 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
myjoyumummy expenditurejoyumlarımmy expenditures
yourjoyumungyour expenditurejoyumlarıngyour expenditures
his / herjoyumuhis / her expenditurejoyumlarıhis / her expenditures
ourjoyumubuzour expenditurejoyumlarıbızour expenditures
you all'sjoyumuğuzyou all's expenditurejoyumlarığızyou all's expenditures
theirjoyumlarıtheir expenditurejoyumlarıtheir expenditures

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