crunch vs chew

crunch and chew both are nouns.

Word	Noun	Adjective	Verb	Adverb
crunch	Yes	No	Yes	No
chew	Yes	No	Yes	No

As verbs, chew is a hypernym of crunch; that is, chew is a word with a broader meaning than crunch:

Other hypernyms of crunch include jaw, manducate, masticate.

crunch (noun)	chew (noun)
the act of crushing	biting and grinding food in your mouth so it becomes soft enough to swallow
the sound of something crunching	a wad of something chewable as tobacco
a critical situation that arises because of a shortage (as a shortage of time or money or resources)

crunch (verb)	chew (verb)
reduce to small pieces or particles by pounding or abrading	chew (food); to bite and grind with the teeth
make a crushing noise
crush with the teeth, making a grinding sound
press or grind with a crushing noise