vonatkozásuk
The Hungarian word "vonatkozásuk" is the third-person plural possessive form of the noun "vonatkozás," which translates to "relation," "relevance," or "application." Therefore, "vonatkozásuk" specifically means "their relation," "their relevance," or "their application." It is used to indicate that something pertains to, is connected with, or applies to a group of people or things.
For instance, in a sentence like "Az eredmények a kutatásukra vonatkozásuk," the word "vonatkozásuk" signifies that