fermentation vs sex activity

fermentation and sex activity both are nouns.

Word	Noun	Adjective	Verb	Adverb
fermentation	Yes	No	No	No
sex activity	Yes	No	No	No

fermentation (noun)	sex activity (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	activities associated with sexual intercourse
a state of agitation or turbulent change or development