centerfold vs facing pages

centerfold and facing pages both are nouns.

Word	Noun	Adjective	Verb	Adverb
centerfold	Yes	No	No	No
facing pages	Yes	No	No	No

As nouns, facing pages is a hypernym of centerfold; that is, facing pages is a word with a broader meaning than centerfold:

centerfold: a magazine center spread; especially a foldout of a large photograph or map or other feature
facing pages: two facing pages of a book or other publication

Other hypernyms of centerfold include spread, spread head, spreadhead, foldout, gatefold.

centerfold (noun)	facing pages (noun)
a magazine center spread; especially a foldout of a large photograph or map or other feature	two facing pages of a book or other publication