Rogers vs Carl Rogers

Rogers and Carl Rogers both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rogers	Yes	No	No	No
Carl Rogers	Yes	No	No	No

As nouns, Rogers and Carl Rogers are synonyms defined as:

Rogers and Carl Rogers: United States psychologist who developed client-centered therapy (1902-1987)

Rogers (noun)	Carl Rogers (noun)
United States psychologist who developed client-centered therapy (1902-1987)	United States psychologist who developed client-centered therapy (1902-1987)
United States dancer and film actress who partnered with Fred Astaire (1911-1995)
United States humorist remembered for his homespun commentary on politics and American society (1879-1935)