foggy vs fog

foggy is not a noun while fog is a noun.

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

foggy (noun)	fog (noun)
	confusion characterized by lack of clarity
	droplets of water vapor suspended in the air near the ground
	an atmosphere in which visibility is reduced because of a cloud of some substance

foggy (adjective)	fog (adjective)
filled or abounding with fog or mist
indistinct or hazy in outline
stunned or confused and slow to react (as from blows or drunkenness or exhaustion)
obscured by fog

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