seethe vs roil

seethe and roil both are verbs.

Word	Noun	Adjective	Verb	Adverb
seethe	No	No	Yes	No
roil	No	No	Yes	No

As verbs, roil is a hypernym of seethe; that is, roil is a word with a broader meaning than seethe:

Other hypernyms of seethe include boil, churn, moil.

seethe (verb)	roil (verb)
boil vigorously	make turbid by stirring up the sediments of
foam as if boiling	be agitated
be in an agitated emotional state
be noisy with activity