Buffalo Bill vs William Frederick Cody

Buffalo Bill and William Frederick Cody both are nouns.

Word	Noun	Adjective	Verb	Adverb
Buffalo Bill	Yes	No	No	No
William Frederick Cody	Yes	No	No	No

As nouns, Buffalo Bill and William Frederick Cody are synonyms defined as:

Buffalo Bill and William Frederick Cody: United States showman famous for his Wild West Show (1846-1917)

Other synonyms of Buffalo Bill include Buffalo Bill Cody, Cody, William F. Cody.

Buffalo Bill (noun)	William Frederick Cody (noun)
United States showman famous for his Wild West Show (1846-1917)	United States showman famous for his Wild West Show (1846-1917)