Anton Gregor Rubinstein vs Rubinstein

Anton Gregor Rubinstein and Rubinstein both are nouns.

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

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

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

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

Anton Gregor Rubinstein (noun)	Rubinstein (noun)
Russian composer and pianist (1829-1894)	Russian composer and pianist (1829-1894)
	United States pianist (born in Poland) known for his interpretations of the music of Chopin (1886-1982)