Fourth Earl of Orford vs Walpole

Fourth Earl of Orford and Walpole both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fourth Earl of Orford	Yes	No	No	No
Walpole	Yes	No	No	No

As nouns, Fourth Earl of Orford and Walpole are synonyms defined as:

Fourth Earl of Orford and Walpole: English writer and historian; son of Sir Robert Walpole (1717-1797)

Other synonyms of Fourth Earl of Orford include Horace Walpole, Horatio Walpole.

Fourth Earl of Orford (noun)	Walpole (noun)
English writer and historian; son of Sir Robert Walpole (1717-1797)	Englishman and Whig statesman who (under George I) was effectively the first British prime minister (1676-1745)
	English writer and historian; son of Sir Robert Walpole (1717-1797)