fog vs aerosol

fog and aerosol both are nouns.

Word	Noun	Adjective	Verb	Adverb
fog	Yes	No	Yes	No
aerosol	Yes	No	No	No

As nouns, aerosol is a hypernym of fog; that is, aerosol is a word with a broader meaning than fog:

fog (noun)	aerosol (noun)
confusion characterized by lack of clarity	a dispenser that holds a substance under pressure and that can release it as a fine spray (usually by means of a propellant gas)
droplets of water vapor suspended in the air near the ground	a cloud of solid or liquid particles in a gas
an atmosphere in which visibility is reduced because of a cloud of some substance

fog (verb)	aerosol (verb)
make less visible or unclear