University of Sussex vs university

University of Sussex and university both are nouns.

Word	Noun	Adjective	Verb	Adverb
University of Sussex	Yes	No	No	No
university	Yes	No	No	No

University of Sussex (noun)	university (noun)
a red-brick university in Brighton, England	establishment where a seat of higher learning is housed, including administrative and living quarters as well as facilities for research and teaching
	the body of faculty and students at a university
	a large and diverse institution of higher learning created to educate for life and for a profession and to grant degrees