Franklin Pierce vs President Pierce

Franklin Pierce and President Pierce both are nouns.

Word	Noun	Adjective	Verb	Adverb
Franklin Pierce	Yes	No	No	No
President Pierce	Yes	No	No	No

As nouns, Franklin Pierce and President Pierce are synonyms defined as:

Franklin Pierce and President Pierce: 14th President of the United States (1804-1869)

Other synonyms of Franklin Pierce include Pierce.

Franklin Pierce (noun)	President Pierce (noun)
14th President of the United States (1804-1869)	14th President of the United States (1804-1869)