arfa

/arfa/

Cases

SingularPluralWhen to use it
nominativearfathe harparfalathe harpsthe plain dictionary form — the doer of the sentence
genitivearfanıthe harp'sarfalanıthe harps'the owner — whose it is
accusativearfanıthe harp (as the object)arfalanıthe harps (as the object)a specific, known object — whom or what
dativearfağato the harparfalağato the harpsdirection or recipient — to where, to whom
locativearfadaat / in the harparfaladaat / in the harpswhere it is; also having — mende bar, "I have it"
ablativearfadanfrom the harparfaladanfrom the harpswhere 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
myarfammy harparfalarımmy harps
yourarfangyour harparfalarıngyour harps
his / herarfasıhis / her harparfalarıhis / her harps
ourarfabızour harparfalarıbızour harps
you all'sarfağızyou all's harparfalarığızyou all's harps
theirarfalarıtheir harparfalarıtheir harps

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