Anton Grigorevich Rubinstein vs Anton Rubinstein

Anton Grigorevich Rubinstein and Anton Rubinstein both are nouns.

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

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

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

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

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