Vladimir Ilyich Lenin vs Vladimir Ilyich Ulyanov

Vladimir Ilyich Lenin and Vladimir Ilyich Ulyanov both are nouns.

Word	Noun	Adjective	Verb	Adverb
Vladimir Ilyich Lenin	Yes	No	No	No
Vladimir Ilyich Ulyanov	Yes	No	No	No

As nouns, Vladimir Ilyich Lenin and Vladimir Ilyich Ulyanov are synonyms defined as:

Vladimir Ilyich Lenin and Vladimir Ilyich Ulyanov: Russian founder of the Bolsheviks and leader of the Russian Revolution and first head of the USSR (1870-1924)

Other synonyms of Vladimir Ilyich Lenin include Lenin, Nikolai Lenin, Vladimir Ilich Lenin, Vladimir Ilich Ulyanov, Vladimir Lenin.

Vladimir Ilyich Lenin (noun)	Vladimir Ilyich Ulyanov (noun)
Russian founder of the Bolsheviks and leader of the Russian Revolution and first head of the USSR (1870-1924)	Russian founder of the Bolsheviks and leader of the Russian Revolution and first head of the USSR (1870-1924)