This is the 5181st most frequent Dutch word.
jiddische
"Jiddische" refers to "Yiddish," a High German-derived language historically spoken by Ashkenazi Jews.
Here, 'Jiddische' functions as an adjective describing 'achtergrond' (background), indicating the Yiddish heritage or cultural connection.
In Amsterdam wonen er nog steeds mensen die een Jiddische achtergrond hebben.
In Amsterdam, there are still people who have a Yiddish background.
In this case, 'Jiddisch' is used as an adjective for 'lied' (song), referring to the language or cultural aspect of the song.
De vrouw zong een traditioneel Jiddisch lied tijdens het concert.
The woman sang a traditional Yiddish song during the concert.
Here, 'Jiddische' modifies 'literatuur' (literature), specifying that the content belongs to the Yiddish linguistic and cultural context.