Sir Robert Walpole vs Robert Walpole

Sir Robert Walpole and Robert Walpole both are nouns.

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

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

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

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

Sir Robert Walpole (noun)	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)