Dewey vs Admiral Dewey

Dewey and Admiral Dewey both are nouns.

Word	Noun	Adjective	Verb	Adverb
Dewey	Yes	No	No	No
Admiral Dewey	Yes	No	No	No

As nouns, Dewey and Admiral Dewey are synonyms defined as:

Dewey and Admiral Dewey: a United States naval officer remembered for his victory at Manila Bay in the Spanish-American War

Other synonyms of Dewey include George Dewey.

Dewey (noun)	Admiral Dewey (noun)
United States pragmatic philosopher who advocated progressive education (1859-1952)	a United States naval officer remembered for his victory at Manila Bay in the Spanish-American War
a United States naval officer remembered for his victory at Manila Bay in the Spanish-American War
United States librarian who founded the decimal system of classification (1851-1931)