centerfold vs spread head

centerfold and spread head both are nouns.

Word	Noun	Adjective	Verb	Adverb
centerfold	Yes	No	No	No
spread head	Yes	No	No	No

As nouns, spread head is a hypernym of centerfold; that is, spread head 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
spread head: two facing pages of a book or other publication

Other hypernyms of centerfold include facing pages, spread, spreadhead, foldout, gatefold.

centerfold (noun)	spread head (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