Carter vs Howard Carter

Carter and Howard Carter both are nouns.

Word	Noun	Adjective	Verb	Adverb
Carter	Yes	No	No	No
Howard Carter	Yes	No	No	No

As nouns, Carter and Howard Carter are synonyms defined as:

Carter and Howard Carter: Englishman and Egyptologist who in 1922 discovered and excavated the tomb of Tutankhamen (1873-1939)

Carter (noun)	Howard Carter (noun)
39th President of the United States (1924-)	Englishman and Egyptologist who in 1922 discovered and excavated the tomb of Tutankhamen (1873-1939)
Englishman and Egyptologist who in 1922 discovered and excavated the tomb of Tutankhamen (1873-1939)