ustalıq

/ ustalɯq /

Cases

SingularPluralWhen to use it
nominative ustalıq the skill ustalıqla the skills the plain dictionary form — the doer of the sentence
genitive ustalıqnı the skill's ustalıqlanı the skills' the owner — whose it is
accusative ustalıqnı the skill (as the object) ustalıqlanı the skills (as the object) a specific, known object — whom or what
dative ustalıqğa to the skill ustalıqlağa to the skills direction or recipient — to where, to whom
locative ustalıqda at / in the skill ustalıqlada at / in the skills where it is; also having — mende bar, "I have it"
ablative ustalıqdan from the skill ustalıqladan from the skills 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 ustalığım my skill ustalıqlarım my skills
your ustalığıŋ your skill ustalıqlarıŋ your skills
his / her ustalığı his / her skill ustalıqları his / her skills
our ustalığıbız our skill ustalıqlarıbız our skills
you all's ustalığığız you all's skill ustalıqlarığız you all's skills
their ustalıqları their skill ustalıqları their skills

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