This is the 9687th most frequent German word.
nachrichtenmagazins
"News magazines."
Here, 'Nachrichtenmagazins' as a noun in genitive case describes possession, indicating the article belongs to the magazine.
Ich lese gern den Artikel aus dem Nachrichtenmagazins.
I enjoy reading the article from the news magazine.
In this instance, 'Nachrichtenmagazins' in dative case indicates the medium for which the journalist worked.
Die Journalistin hat kürzlich für ein bekanntes Nachrichtenmagazins gearbeitet.
The journalist recently worked for a well-known news magazine.
This usage of 'Nachrichtenmagazins' also in genitive case attributes the structure and style to the magazine.