Roman Osipovich Jakobson vs Roman Jakobson

Roman Osipovich Jakobson and Roman Jakobson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roman Osipovich Jakobson	Yes	No	No	No
Roman Jakobson	Yes	No	No	No

As nouns, Roman Osipovich Jakobson and Roman Jakobson are synonyms defined as:

Roman Osipovich Jakobson and Roman Jakobson: United States linguist (born in Russia) noted for his description of the universals of phonology (1896-1982)

Other synonyms of Roman Osipovich Jakobson include Jakobson.

Roman Osipovich Jakobson (noun)	Roman Jakobson (noun)
United States linguist (born in Russia) noted for his description of the universals of phonology (1896-1982)	United States linguist (born in Russia) noted for his description of the universals of phonology (1896-1982)