Sergei Vasilievich Rachmaninoff vs Rachmaninov

Sergei Vasilievich Rachmaninoff and Rachmaninov both are nouns.

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

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

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

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

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