foredge vs fore edge

foredge and fore edge both are nouns.

Word	Noun	Adjective	Verb	Adverb
foredge	Yes	No	No	No
fore edge	Yes	No	No	No

As nouns, foredge and fore edge are synonyms defined as:

foredge and fore edge: the part of a book that faces inward when the book is shelved; the part opposite the spine

foredge (noun)	fore edge (noun)
the part of a book that faces inward when the book is shelved; the part opposite the spine	the part of a book that faces inward when the book is shelved; the part opposite the spine