Jacques Cousteau vs Cousteau

Jacques Cousteau and Cousteau both are nouns.

Word	Noun	Adjective	Verb	Adverb
Jacques Cousteau	Yes	No	No	No
Cousteau	Yes	No	No	No

As nouns, Jacques Cousteau and Cousteau are synonyms defined as:

Jacques Cousteau and Cousteau: French underwater explorer (born in 1910)

Other synonyms of Jacques Cousteau include Jacques Yves Cousteau.

Jacques Cousteau (noun)	Cousteau (noun)
French underwater explorer (born in 1910)	French underwater explorer (born in 1910)