murkiness vs fogginess

murkiness and fogginess both are nouns.

Word	Noun	Adjective	Verb	Adverb
murkiness	Yes	No	No	No
fogginess	Yes	No	No	No

As nouns, murkiness and fogginess are synonyms defined as:

murkiness and fogginess: an atmosphere in which visibility is reduced because of a cloud of some substance

Other synonyms of murkiness include fog, murk.

murkiness (noun)	fogginess (noun)
the quality of being cloudy	the quality of being indistinct and without sharp outlines
an atmosphere in which visibility is reduced because of a cloud of some substance	an atmosphere in which visibility is reduced because of a cloud of some substance