manducate vs chomp

manducate is not a noun while chomp is a noun.

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

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

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

manducate (noun)	chomp (noun)
	the act of gripping or chewing off with the teeth and jaws

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