arablı

/arablɯ/

Cases

SingularPluralWhen to use it
nominativearablıthe Arabarablılathe Arabsthe plain dictionary form — the doer of the sentence
genitivearablınıthe Arab'sarablılanıthe Arabs'the owner — whose it is
accusativearablınıthe Arab (as the object)arablılanıthe Arabs (as the object)a specific, known object — whom or what
dativearablığato the Arabarablılağato the Arabsdirection or recipient — to where, to whom
locativearablıdaat / in the Arabarablıladaat / in the Arabswhere it is; also having — mende bar, "I have it"
ablativearablıdanfrom the Arabarablıladanfrom the Arabswhere 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
myarablımmy Arabarablılarımmy Arabs
yourarablıngyour Arabarablılarıngyour Arabs
his / herarablısıhis / her Arabarablılarıhis / her Arabs
ourarablıbızour Arabarablılarıbızour Arabs
you all'sarablığızyou all's Arabarablılarığızyou all's Arabs
theirarablılarıtheir Arabarablılarıtheir Arabs

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