Sergei Vasilievich Rachmaninov vs Sergei Rachmaninov

Sergei Vasilievich Rachmaninov and Sergei Rachmaninov both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sergei Vasilievich Rachmaninov	Yes	No	No	No
Sergei Rachmaninov	Yes	No	No	No

As nouns, Sergei Vasilievich Rachmaninov and Sergei Rachmaninov are synonyms defined as:

Sergei Vasilievich Rachmaninov and Sergei Rachmaninov: composer and piano virtuoso born in Russia (1873-1943)

Other synonyms of Sergei Vasilievich Rachmaninov include Rachmaninoff, Rachmaninov, Sergei Rachmaninoff, Sergei Vasilievich Rachmaninoff.

Sergei Vasilievich Rachmaninov (noun)	Sergei Rachmaninov (noun)
composer and piano virtuoso born in Russia (1873-1943)	composer and piano virtuoso born in Russia (1873-1943)