chomping vs chew

chomping and chew both are nouns.

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

As nouns, chew is a hypernym of chomping; that is, chew is a word with a broader meaning than chomping:

chomping: the act of chewing noisily
chew: biting and grinding food in your mouth so it becomes soft enough to swallow

Other hypernyms of chomping include chewing, manduction, mastication.

chomping (noun)	chew (noun)
the act of chewing noisily	biting and grinding food in your mouth so it becomes soft enough to swallow
	a wad of something chewable as tobacco

chomping (verb)	chew (verb)
	chew (food); to bite and grind with the teeth