Anton Rubinstein vs Anton Rubenstein

Anton Rubinstein and Anton Rubenstein both are nouns.

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

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

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

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

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