käytettyjen
Käytettyjen is the genitive plural form of the Finnish adjective käytetty, meaning "used." In Finnish, adjectives agree with the nouns they modify, and when a plural noun is in the genitive case, the associated adjective takes the corresponding genitive plural form. Consequently, käytettyjen is used in phrases like käytettyjen autojen, which translates to “of used cars” or “used cars’” depending on the sentence structure.
In practice, käytettyjen appears in contexts related to commerce, catalogs, and descriptions of inventory. It signals
Grammatically, käytetty is an adjective formed from the verb käyttää (to use) and functions attributively. The