cloudiness vs muddiness

cloudiness and muddiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
cloudiness	Yes	No	No	No
muddiness	Yes	No	No	No

As nouns, cloudiness and muddiness are synonyms defined as:

Other synonyms of cloudiness include murkiness.

cloudiness (noun)	muddiness (noun)
the quality of being cloudy	the quality of being cloudy
the state of the sky when it is covered by clouds	a mental state characterized by a lack of clear and orderly thought and behavior
gloomy semidarkness caused by cloud cover	the wetness of ground that is covered or soaked with water