runa

/runa/

Cases

SingularPluralWhen to use it
nominativerunathe runerunalathe runesthe plain dictionary form — the doer of the sentence
genitiverunanıthe rune'srunalanıthe runes'the owner — whose it is
accusativerunanıthe rune (as the object)runalanıthe runes (as the object)a specific, known object — whom or what
dativerunağato the runerunalağato the runesdirection or recipient — to where, to whom
locativerunadaat / in the runerunaladaat / in the runeswhere it is; also having — mende bar, "I have it"
ablativerunadanfrom the runerunaladanfrom the runeswhere 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
myrunammy runerunalarımmy runes
yourrunangyour runerunalarıngyour runes
his / herrunasıhis / her runerunalarıhis / her runes
ourrunabızour runerunalarıbızour runes
you all'srunağızyou all's runerunalarığızyou all's runes
theirrunalarıtheir runerunalarıtheir runes

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