renege vs promise

renege and promise both are nouns.

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

renege (noun)	promise (noun)
the mistake of not following suit when able to do so	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

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