Churchill vs Duke of Marlborough

Churchill and Duke of Marlborough both are nouns.

Word	Noun	Adjective	Verb	Adverb
Churchill	Yes	No	No	No
Duke of Marlborough	Yes	No	No	No

As nouns, Churchill and Duke of Marlborough are synonyms defined as:

Churchill and Duke of Marlborough: English general considered one of the greatest generals in history (1650-1722)

Other synonyms of Churchill include First Duke of Marlborough, John Churchill.

Churchill (noun)	Duke of Marlborough (noun)
a Canadian town in northern Manitoba on Hudson Bay; important port for shipping grain	English general considered one of the greatest generals in history (1650-1722)
British statesman and leader during World War II; received Nobel prize for literature in 1953 (1874-1965)
English general considered one of the greatest generals in history (1650-1722)