Gegenstücken
Gegenstücken is the dative plural form of Gegenstück, a German noun meaning counterpart, matching piece, or complement to another item. The core sense is that an item forms a pair with another, either by fitting together or by corresponding in function, form, or meaning. In everyday language, Gegenstück is used to describe something that completes or mirrors another thing, for example as das Gegenstück zum Schlüssel (the counterpart to the key).
Etymology and usage: Gegenstück combines Gegen- (against, opposite) with Stück (piece, part), indicating a component that
Domains of application: In technology and mechanics, Gegenstücke are physical parts designed to fit or work
Form and variants: The common plural forms are Gegenstücke (nominative and accusative) and Gegenstücken (dative). The