Paris-Sorbonne University vs Paris University

Paris-Sorbonne University and Paris University both are nouns.

Word	Noun	Adjective	Verb	Adverb
Paris-Sorbonne University	Yes	No	No	No
Paris University	Yes	No	No	No

As nouns, Paris-Sorbonne University and Paris University are synonyms defined as:

Paris-Sorbonne University and Paris University: a university in Paris; intellectual center of France

Other synonyms of Paris-Sorbonne University include Sorbonne, University of Paris.

Paris-Sorbonne University (noun)	Paris University (noun)
a university in Paris; intellectual center of France	a university in Paris; intellectual center of France