forefront vs forepart

forefront and forepart both are nouns.

Word	Noun	Adjective	Verb	Adverb
forefront	Yes	No	No	No
forepart	Yes	No	No	No

As nouns, forepart is a hypernym of forefront; that is, forepart is a word with a broader meaning than forefront:

Other hypernyms of forefront include front, front end.

forefront (noun)	forepart (noun)
the position of greatest importance or advancement; the leading position in any movement or field	the side that is forward or prominent
the part in the front or nearest the viewer