Captain Cook vs Captain James Cook

Captain Cook and Captain James Cook both are nouns.

Word	Noun	Adjective	Verb	Adverb
Captain Cook	Yes	No	No	No
Captain James Cook	Yes	No	No	No

As nouns, Captain Cook and Captain James Cook are synonyms defined as:

Captain Cook and Captain James Cook: English navigator who claimed the east coast of Australia for Britain and discovered several Pacific islands (1728-1779)

Other synonyms of Captain Cook include Cook, James Cook.

Captain Cook (noun)	Captain James Cook (noun)
English navigator who claimed the east coast of Australia for Britain and discovered several Pacific islands (1728-1779)	English navigator who claimed the east coast of Australia for Britain and discovered several Pacific islands (1728-1779)