Herbert Marx vs Zeppo Marx

Herbert Marx and Zeppo Marx both are nouns.

Word	Noun	Adjective	Verb	Adverb
Herbert Marx	Yes	No	No	No
Zeppo Marx	Yes	No	No	No

As nouns, Herbert Marx and Zeppo Marx are synonyms defined as:

Herbert Marx and Zeppo Marx: United States comedian; one of four brothers who made motion pictures together (1901-1979)

Other synonyms of Herbert Marx include Marx, Zeppo.

Herbert Marx (noun)	Zeppo Marx (noun)
United States comedian; one of four brothers who made motion pictures together (1901-1979)	United States comedian; one of four brothers who made motion pictures together (1901-1979)