Lorenzo the Magnificent vs national leader

Lorenzo the Magnificent and national leader both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lorenzo the Magnificent	Yes	No	No	No
national leader	Yes	No	No	No

Lorenzo the Magnificent (noun)	national leader (noun)
Italian statesman and scholar who supported many artists and humanists including Michelangelo and Leonardo and Botticelli (1449-1492)	a person who is a respected leader in national or international affairs