sulk vs stew

sulk and stew both are nouns.

Word	Noun	Adjective	Verb	Adverb
sulk	Yes	No	Yes	No
stew	Yes	No	Yes	No

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

Other hyponyms of sulk include brood, grizzle.

sulk (noun)	stew (noun)
a mood or display of sullen aloofness or withdrawal	food prepared by stewing especially meat or fish with vegetables
	agitation resulting from active worry

sulk (verb)	stew (verb)
be in a huff and display one's displeasure	cook slowly and for a long time in liquid
	bear a grudge; harbor ill feelings
	be in a huff; be silent or sullen