Mel Columcille Gerard Gibson vs Mel Gibson

Mel Columcille Gerard Gibson and Mel Gibson both are nouns.

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

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

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

Other synonyms of Mel Columcille Gerard Gibson include Gibson.

Mel Columcille Gerard Gibson (noun)	Mel Gibson (noun)
Australian actor (born in the United States in 1956)	Australian actor (born in the United States in 1956)