Roosevelt vs author

Roosevelt and author both are nouns.

Word	Noun	Adjective	Verb	Adverb
Roosevelt	Yes	No	No	No
author	Yes	No	Yes	No

Roosevelt (noun)	author (noun)
26th President of the United States; hero of the Spanish-American War; Panama Canal was built during his administration	writes (books or stories or articles or the like) professionally (for pay)
32nd President of the United States; elected four times; instituted New Deal to counter the Great Depression and led country during World War II (1882-1945)	someone who originates or causes or initiates something
wife of Franklin Roosevelt and a strong advocate of human rights (1884-1962)

Roosevelt (verb)	author (verb)
	be the author of