Simon vs Marvin Neil Simon

Simon and Marvin Neil Simon both are nouns.

Word	Noun	Adjective	Verb	Adverb
Simon	Yes	No	No	No
Marvin Neil Simon	Yes	No	No	No

As nouns, Simon and Marvin Neil Simon are synonyms defined as:

Simon and Marvin Neil Simon: United States playwright noted for light comedies (born in 1927)

Other synonyms of Simon include Neil Simon.

Simon (noun)	Marvin Neil Simon (noun)
United States economist and psychologist who pioneered in the development of cognitive science (1916-2001)	United States playwright noted for light comedies (born in 1927)
United States playwright noted for light comedies (born in 1927)
United States singer and songwriter (born in 1942)
one of the twelve Apostles (first century)