ferment vs brew

ferment and brew both are nouns.

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

ferment (noun)	brew (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	drink made by steeping and boiling and fermenting rather than distilling
a state of agitation or turbulent change or development
a substance capable of bringing about fermentation

ferment (verb)	brew (verb)
go sour or spoil	sit or let sit in boiling water so as to extract the flavor
cause to undergo fermentation	prepare by brewing
work up into agitation or excitement
be in an agitated or excited state