James Knox Polk vs James K. Polk

James Knox Polk and James K. Polk both are nouns.

Word	Noun	Adjective	Verb	Adverb
James Knox Polk	Yes	No	No	No
James K. Polk	Yes	No	No	No

As nouns, James Knox Polk and James K. Polk are synonyms defined as:

James Knox Polk and James K. Polk: 11th President of the United States; his expansionism led to the Mexican War and the annexation of California and much of the southwest (1795-1849)

Other synonyms of James Knox Polk include James Polk, Polk, President Polk.

James Knox Polk (noun)	James K. Polk (noun)
11th President of the United States; his expansionism led to the Mexican War and the annexation of California and much of the southwest (1795-1849)	11th President of the United States; his expansionism led to the Mexican War and the annexation of California and much of the southwest (1795-1849)