Louis Joliet vs Jolliet

Louis Joliet and Jolliet both are nouns.

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

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

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

Other synonyms of Louis Joliet include Joliet, Louis Jolliet.

Louis Joliet (noun)	Jolliet (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)