What is another word for tetralogies?
Pronunciation: [tɛtɹˈaləd͡ʒɪz] (IPA) 
A tetralogy is a set or series of four literary or musical works. For instance, Wagner's "The Ring of the Nibelung" is a famous tetralogy consisting of four operas. If you're looking for synonyms for tetralogies, you can use the terms "quadrilogy," "tetralog," or "four-part series." Other words that may be interchangeable with tetralogies include "quartet," "quadruplet," "quadripartite," and "four-book set." When talking about films, "tetralogy" is often replaced with "quadrilogy" or "four-part movie series." Whatever term you use, it's a chance to sound a bit more sophisticated when discussing sets of four.
