manducate vs chaw

manducate is not a noun while chaw is a noun.

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

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

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

manducate (noun)	chaw (noun)
	a wad of something chewable as tobacco

manducate (verb)	chaw (verb)
chew (food); to bite and grind with the teeth	chew without swallowing