Robert Walpole vs Sir Robert Walpole

Robert Walpole and Sir Robert Walpole both are nouns.

Word	Noun	Adjective	Verb	Adverb
Robert Walpole	Yes	No	No	No
Sir Robert Walpole	Yes	No	No	No

As nouns, Robert Walpole and Sir Robert Walpole are synonyms defined as:

Robert Walpole and Sir Robert Walpole: Englishman and Whig statesman who (under George I) was effectively the first British prime minister (1676-1745)

Other synonyms of Robert Walpole include First Earl of Orford, Walpole.

Robert Walpole (noun)	Sir Robert Walpole (noun)
Englishman and Whig statesman who (under George I) was effectively the first British prime minister (1676-1745)	Englishman and Whig statesman who (under George I) was effectively the first British prime minister (1676-1745)