President Bush vs George Walker Bush

President Bush and George Walker Bush both are nouns.

Word	Noun	Adjective	Verb	Adverb
President Bush	Yes	No	No	No
George Walker Bush	Yes	No	No	No

As nouns, President Bush and George Walker Bush are synonyms defined as:

President Bush and George Walker Bush: 43rd President of the United States; son of George Herbert Walker Bush (born in 1946)

Other synonyms of President Bush include Bush, Dubya, Dubyuh, George Bush, George W. Bush, President George W. Bush.

President Bush (noun)	George Walker Bush (noun)
vice president under Reagan and 41st President of the United States (born in 1924)	43rd President of the United States; son of George Herbert Walker Bush (born in 1946)
43rd President of the United States; son of George Herbert Walker Bush (born in 1946)