Napoleon vs Napoleon I

Napoleon and Napoleon I both are nouns.

Word	Noun	Adjective	Verb	Adverb
Napoleon	Yes	No	No	No
Napoleon I	Yes	No	No	No

As nouns, Napoleon and Napoleon I are synonyms defined as:

Napoleon and Napoleon I: French general who became emperor of the French (1769-1821)

Other synonyms of Napoleon include Bonaparte, Little Corporal, Napoleon Bonaparte.

Napoleon (noun)	Napoleon I (noun)
a card game similar to whist; usually played for stakes	French general who became emperor of the French (1769-1821)
French general who became emperor of the French (1769-1821)