Anton Rubinstein vs Rubinstein

Anton Rubinstein and Rubinstein both are nouns.

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

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

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

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

Anton 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)