Tolstoy vs Leo Tolstoy

Tolstoy and Leo Tolstoy both are nouns.

Word	Noun	Adjective	Verb	Adverb
Tolstoy	Yes	No	No	No
Leo Tolstoy	Yes	No	No	No

As nouns, Tolstoy and Leo Tolstoy are synonyms defined as:

Tolstoy and Leo Tolstoy: Russian author remembered for two great novels (1828-1910)

Other synonyms of Tolstoy include Count Lev Nikolayevitch Tolstoy.

Tolstoy (noun)	Leo Tolstoy (noun)
Russian author remembered for two great novels (1828-1910)	Russian author remembered for two great novels (1828-1910)