seethe vs ferment

seethe is not a noun while ferment is a noun.

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

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

Other hyponyms of seethe include bubble over, overflow, spill over, sizzle.

seethe (noun)	ferment (noun)
	a process in which an agent causes an organic substance to break down into simpler substances; especially, the anaerobic breakdown of sugar into alcohol
	a state of agitation or turbulent change or development
	a substance capable of bringing about fermentation

seethe (verb)	ferment (verb)
boil vigorously	go sour or spoil
foam as if boiling	cause to undergo fermentation
be in an agitated emotional state	work up into agitation or excitement
be noisy with activity	be in an agitated or excited state