Charles Menninger vs Menninger

Charles Menninger and Menninger both are nouns.

Word	Noun	Adjective	Verb	Adverb
Charles Menninger	Yes	No	No	No
Menninger	Yes	No	No	No

As nouns, Charles Menninger and Menninger are synonyms defined as:

Charles Menninger and Menninger: United States psychiatrist who with his sons founded a famous psychiatric clinic in Topeka (1862-1953)

Other synonyms of Charles Menninger include Charles Frederick Menninger.

Charles Menninger (noun)	Menninger (noun)
United States psychiatrist who with his sons founded a famous psychiatric clinic in Topeka (1862-1953)	United States psychiatrist who with his sons founded a famous psychiatric clinic in Topeka (1862-1953)
	United States psychiatrist and son of Charles Menninger (1893-1990)
	United States psychiatrist and son of Charles Menninger (1899-1966)