Sergei Vasilievich Rachmaninoff vs Sergei Vasilievich Rachmaninov

Sergei Vasilievich Rachmaninoff and Sergei Vasilievich Rachmaninov both are nouns.

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

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

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

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

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