aythan

/ajtxan/

Cases

SingularPluralWhen to use it
nominativeaythanthe speechaythanlathe speechesthe plain dictionary form — the doer of the sentence
genitiveaythannıthe speech'saythanlanıthe speeches'the owner — whose it is
accusativeaythannıthe speech (as the object)aythanlanıthe speeches (as the object)a specific, known object — whom or what
dativeaythangato the speechaythanlağato the speechesdirection or recipient — to where, to whom
locativeaythandaat / in the speechaythanladaat / in the speecheswhere it is; also having — mende bar, "I have it"
ablativeaythandanfrom the speechaythanladanfrom the speecheswhere 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
myaythanımmy speechaythanlarımmy speeches
youraythanıngyour speechaythanlarıngyour speeches
his / heraythanıhis / her speechaythanlarıhis / her speeches
ouraythanıbızour speechaythanlarıbızour speeches
you all'saythanığızyou all's speechaythanlarığızyou all's speeches
theiraythanlarıtheir speechaythanlarıtheir speeches

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