Philip Roth vs Philip Milton Roth

Philip Roth and Philip Milton Roth both are nouns.

Word	Noun	Adjective	Verb	Adverb
Philip Roth	Yes	No	No	No
Philip Milton Roth	Yes	No	No	No

As nouns, Philip Roth and Philip Milton Roth are synonyms defined as:

Philip Roth and Philip Milton Roth: United States writer whose novels portray middle-class Jewish life (born in 1933)

Other synonyms of Philip Roth include Roth.

Philip Roth (noun)	Philip Milton Roth (noun)
United States writer whose novels portray middle-class Jewish life (born in 1933)	United States writer whose novels portray middle-class Jewish life (born in 1933)