Earl Warren vs Warren

Earl Warren and Warren both are nouns.

Word	Noun	Adjective	Verb	Adverb
Earl Warren	Yes	No	No	No
Warren	Yes	No	No	No

As nouns, Earl Warren and Warren are synonyms defined as:

Earl Warren and Warren: United States jurist who served as chief justice of the United States Supreme Court (1891-1974)

Earl Warren (noun)	Warren (noun)
United States jurist who served as chief justice of the United States Supreme Court (1891-1974)	United States jurist who served as chief justice of the United States Supreme Court (1891-1974)
	United States writer and poet (1905-1989)