Anton Gregor Rubinstein vs Anton Rubinstein

Anton Gregor Rubinstein and Anton Rubinstein both are nouns.

Word	Noun	Adjective	Verb	Adverb
Anton Gregor Rubinstein	Yes	No	No	No
Anton Rubinstein	Yes	No	No	No

As nouns, Anton Gregor Rubinstein and Anton Rubinstein are synonyms defined as:

Anton Gregor Rubinstein and Anton Rubinstein: Russian composer and pianist (1829-1894)

Other synonyms of Anton Gregor Rubinstein include Anton Grigorevich Rubinstein, Anton Rubenstein, Rubinstein.

Anton Gregor Rubinstein (noun)	Anton Rubinstein (noun)
Russian composer and pianist (1829-1894)	Russian composer and pianist (1829-1894)