Gibson vs Mel Gibson

Gibson and Mel Gibson both are nouns.

Word	Noun	Adjective	Verb	Adverb
Gibson	Yes	No	No	No
Mel Gibson	Yes	No	No	No

As nouns, Gibson and Mel Gibson are synonyms defined as:

Gibson and Mel Gibson: Australian actor (born in the United States in 1956)

Other synonyms of Gibson include Mel Columcille Gerard Gibson.

Gibson (noun)	Mel Gibson (noun)
United States tennis player who was the first Black woman player to win all the major world singles titles (1927-2003)	Australian actor (born in the United States in 1956)
Australian actor (born in the United States in 1956)
United States illustrator remembered for his creation of the `Gibson girl' (1867-1944)