Anton Gregor Rubinstein vs Anton Rubenstein

Anton Gregor Rubinstein and Anton Rubenstein both are nouns.

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

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

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

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

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