quyruq

/ qujruq /

Cases

SingularPluralWhen to use it
nominative quyruq the tail quyruqla the tails the plain dictionary form — the doer of the sentence
genitive quyruqnu the tail's quyruqlanı the tails' the owner — whose it is
accusative quyruqnu the tail (as the object) quyruqlanı the tails (as the object) a specific, known object — whom or what
dative quyruqğa to the tail quyruqlağa to the tails direction or recipient — to where, to whom
locative quyruqda at / in the tail quyruqlada at / in the tails where it is; also having — mende bar, "I have it"
ablative quyruqdan from the tail quyruqladan from the tails 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 quyruğum my tail quyruqlarım my tails
your quyruğuŋ your tail quyruqlarıŋ your tails
his / her quyruğu his / her tail quyruqları his / her tails
our quyruğubuz our tail quyruqlarıbız our tails
you all's quyruğuğuz you all's tail quyruqlarığız you all's tails
their quyruqları their tail quyruqları their tails

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