Paris University vs Paris-Sorbonne University

Paris University and Paris-Sorbonne University both are nouns.

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

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

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

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

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