usullarini
Usullarini is a Turkish word form that functions as a noun phrase meaning “their methods” when used as the direct object of a verb. It is built from the root usul, meaning method or principle, with the plural suffix and possessive and accusative endings that mark meaning and case. In standard Turkish, the related forms include usuller (methods), usulleri (their methods), and usullerini (their methods as a direct object). The exact spelling can vary with transliteration, but usullarini appears in written Turkish as the accusative form of the third-person plural possessive construction.
In ordinary Turkish, you might see a sentence such as Onların usullarini kullanıyoruz, which translates to “We
Usullarini is not a proper noun. It illustrates how Turkish uses a sequence of suffixes to convey