chew vs chomp

chew and chomp both are nouns.

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

As verbs, chomp is a hyponym of chew; that is, chomp is a word with a more specific, narrower meaning than chew:

Other hyponyms of chew include champ, champ, gum, mumble, chaw, crunch, munch, gnaw.

chew (noun)	chomp (noun)
biting and grinding food in your mouth so it becomes soft enough to swallow	the act of gripping or chewing off with the teeth and jaws
a wad of something chewable as tobacco

chew (verb)	chomp (verb)
chew (food); to bite and grind with the teeth	chew noisily or vigorously