Groucho Marx vs Julius Marx

Groucho Marx and Julius Marx both are nouns.

Word	Noun	Adjective	Verb	Adverb
Groucho Marx	Yes	No	No	No
Julius Marx	Yes	No	No	No

As nouns, Groucho Marx and Julius Marx are synonyms defined as:

Groucho Marx and Julius Marx: United States comedian; one of four brothers who made motion pictures together (1890-1977)

Other synonyms of Groucho Marx include Groucho, Marx.

Groucho Marx (noun)	Julius Marx (noun)
United States comedian; one of four brothers who made motion pictures together (1890-1977)	United States comedian; one of four brothers who made motion pictures together (1890-1977)