Graham vs Billy Graham

Graham and Billy Graham both are nouns.

Word	Noun	Adjective	Verb	Adverb
Graham	Yes	No	No	No
Billy Graham	Yes	No	No	No

As nouns, Graham and Billy Graham are synonyms defined as:

Graham and Billy Graham: United States evangelical preacher famous as a mass evangelist (born in 1918)

Other synonyms of Graham include William Franklin Graham.

Graham (noun)	Billy Graham (noun)
United States dancer and choreographer whose work was noted for its austerity and technical rigor (1893-1991)	United States evangelical preacher famous as a mass evangelist (born in 1918)
United States evangelical preacher famous as a mass evangelist (born in 1918)