fog vs confusedness

fog and confusedness both are nouns.

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

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

fog: confusion characterized by lack of clarity
confusedness: a mental state characterized by a lack of clear and orderly thought and behavior

Other hypernyms of fog include confusion, disarray, mental confusion, muddiness.

fog (noun)	confusedness (noun)
confusion characterized by lack of clarity	a mental state characterized by a lack of clear and orderly thought and behavior
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

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