forebode vs promise

forebode is not a noun while promise is a noun.

Word	Noun	Adjective	Verb	Adverb
forebode	No	No	Yes	No
promise	Yes	No	Yes	No

As verbs, forebode and promise are synonyms defined as:

Other synonyms of forebode include anticipate, call, foretell, predict, prognosticate.

forebode (noun)	promise (noun)
	grounds for feeling hopeful about the future
	a verbal commitment by one person to another agreeing to do (or not to do) something in the future

forebode (verb)	promise (verb)
make a prediction about; tell in advance	make a promise or commitment
	promise to undertake or give
	make a prediction about; tell in advance
	give grounds for expectations