Adam vs Robert Adam

Adam and Robert Adam both are nouns.

Word	Noun	Adjective	Verb	Adverb
Adam	Yes	No	No	No
Robert Adam	Yes	No	No	No

As nouns, Adam and Robert Adam are synonyms defined as:

Adam and Robert Adam: Scottish architect who designed many public buildings in England and Scotland (1728-1792)

Adam (noun)	Robert Adam (noun)
street names for methylenedioxymethamphetamine	Scottish architect who designed many public buildings in England and Scotland (1728-1792)
(Old Testament) in Judeo-Christian mythology; the first man and the husband of Eve and the progenitor of the human race
Scottish architect who designed many public buildings in England and Scotland (1728-1792)