ferment vs seethe

ferment is a noun but seethe is not a noun.

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

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

Other hypernyms of ferment include boil.

ferment (noun)	seethe (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

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