James K. Polk vs James Knox Polk

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

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

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

James K. Polk and James Knox 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 K. Polk include James Polk, Polk, President Polk.

James K. Polk (noun)	James Knox 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)