radio

/radio/

Cases

SingularPluralWhen to use it
nominativeradiothe radioradiolathe radiosthe plain dictionary form — the doer of the sentence
genitiveradionuthe radio'sradiolanıthe radios'the owner — whose it is
accusativeradionuthe radio (as the object)radiolanıthe radios (as the object)a specific, known object — whom or what
dativeradioğato the radioradiolağato the radiosdirection or recipient — to where, to whom
locativeradiodaat / in the radioradioladaat / in the radioswhere it is; also having — mende bar, "I have it"
ablativeradiodanfrom the radioradioladanfrom the radioswhere 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
myradiommy radioradiolarımmy radios
yourradiongyour radioradiolarıngyour radios
his / herradiosuhis / her radioradiolarıhis / her radios
ourradiobuzour radioradiolarıbızour radios
you all'sradioğuzyou all's radioradiolarığızyou all's radios
theirradiolarıtheir radioradiolarıtheir radios

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