Bartlett vs Captain Bob

Bartlett and Captain Bob both are nouns.

Word	Noun	Adjective	Verb	Adverb
Bartlett	Yes	No	No	No
Captain Bob	Yes	No	No	No

As nouns, Bartlett and Captain Bob are synonyms defined as:

Bartlett and Captain Bob: United States explorer who accompanied Peary's expedition to the North Pole and who led many other Arctic trips (1875-1946)

Other synonyms of Bartlett include Robert Abram Bartlett, Robert Bartlett.

Bartlett (noun)	Captain Bob (noun)
United States publisher and editor who compiled a book of familiar quotations (1820-1905)	United States explorer who accompanied Peary's expedition to the North Pole and who led many other Arctic trips (1875-1946)
United States explorer who accompanied Peary's expedition to the North Pole and who led many other Arctic trips (1875-1946)