Keaton vs Buster Keaton

Keaton and Buster Keaton both are nouns.

Word	Noun	Adjective	Verb	Adverb
Keaton	Yes	No	No	No
Buster Keaton	Yes	No	No	No

As nouns, Keaton and Buster Keaton are synonyms defined as:

Keaton and Buster Keaton: United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)

Other synonyms of Keaton include Joseph Francis Keaton.

Keaton (noun)	Buster Keaton (noun)
United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)	United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)