spread head vs spreadhead

spread head and spreadhead both are nouns.

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

As nouns, spread head and spreadhead are synonyms defined as:

spread head and spreadhead: two facing pages of a book or other publication

Other synonyms of spread head include facing pages, spread.

spread head (noun)	spreadhead (noun)
two facing pages of a book or other publication	two facing pages of a book or other publication