/ utʃ /

Cases

SingularPluralWhen to use it
nominative the tip uçla the tips the plain dictionary form — the doer of the sentence
genitive uçnu the tip's uçlanı the tips' the owner — whose it is
accusative uçnu the tip (as the object) uçlanı the tips (as the object) a specific, known object — whom or what
dative uçha to the tip uçlağa to the tips direction or recipient — to where, to whom
locative uçda at / in the tip uçlada at / in the tips where it is; also having — mende bar, "I have it"
ablative uçdan from the tip uçladan from the tips 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 uçum my tip uçlarım my tips
your uçuŋ your tip uçlarıŋ your tips
his / her uçu his / her tip uçları his / her tips
our uçubuz our tip uçlarıbız our tips
you all's uçuğuz you all's tip uçlarığız you all's tips
their uçları their tip uçları their tips

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