gold coast vs neighbourhood

gold coast and neighbourhood both are nouns.

Word	Noun	Adjective	Verb	Adverb
gold coast	Yes	No	No	No
neighbourhood	Yes	No	No	No

As nouns, neighbourhood is a hypernym of gold coast; that is, neighbourhood is a word with a broader meaning than gold coast:

gold coast: a rich neighborhood noted for expensive homes and luxurious living; usually along a coastal area
neighbourhood: a surrounding or nearby region

Other hypernyms of gold coast include locality, neck of the woods, neighborhood, vicinity.

gold coast (noun)	neighbourhood (noun)
a rich neighborhood noted for expensive homes and luxurious living; usually along a coastal area	people living near one another
	a surrounding or nearby region