Louis Joliet vs Joliet

Louis Joliet and Joliet both are nouns.

Word	Noun	Adjective	Verb	Adverb
Louis Joliet	Yes	No	No	No
Joliet	Yes	No	No	No

As nouns, Louis Joliet and Joliet are synonyms defined as:

Louis Joliet and Joliet: French explorer (with Jacques Marquette) of the upper Mississippi River valley (1645-1700)

Other synonyms of Louis Joliet include Jolliet, Louis Jolliet.

Louis Joliet (noun)	Joliet (noun)
French explorer (with Jacques Marquette) of the upper Mississippi River valley (1645-1700)	French explorer (with Jacques Marquette) of the upper Mississippi River valley (1645-1700)