otun

/ otun /

Cases

SingularPluralWhen to use it
nominative otun the firewood otunla the firewoods the plain dictionary form — the doer of the sentence
genitive otunnu the firewood's otunlanı the firewoods' the owner — whose it is
accusative otunnu the firewood (as the object) otunlanı the firewoods (as the object) a specific, known object — whom or what
dative otunğa to the firewood otunlağa to the firewoods direction or recipient — to where, to whom
locative otunda at / in the firewood otunlada at / in the firewoods where it is; also having — mende bar, "I have it"
ablative otundan from the firewood otunladan from the firewoods 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
my otunum my firewood otunlarım my firewoods
your otunuŋ your firewood otunlarıŋ your firewoods
his / her otunu his / her firewood otunları his / her firewoods
our otunubuz our firewood otunlarıbız our firewoods
you all's otunuğuz you all's firewood otunlarığız you all's firewoods
their otunları their firewood otunları their firewoods

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