turbidness vs cloudiness

turbidness and cloudiness both are nouns.

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

As nouns, cloudiness is a hypernym of turbidness; that is, cloudiness is a word with a broader meaning than turbidness:

turbidness: muddiness created by stirring up sediment or having foreign particles suspended
cloudiness: the quality of being cloudy

Other hypernyms of turbidness include muddiness, murkiness.

turbidness (noun)	cloudiness (noun)
muddiness created by stirring up sediment or having foreign particles suspended	the quality of being cloudy
	the state of the sky when it is covered by clouds
	gloomy semidarkness caused by cloud cover