Anton Gregor Rubinstein vs Anton Grigorevich Rubinstein

Anton Gregor Rubinstein and Anton Grigorevich Rubinstein both are nouns.

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

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

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

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

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