turbidity vs murkiness

turbidity and murkiness both are nouns.

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

As nouns, murkiness is a hypernym of turbidity; that is, murkiness is a word with a broader meaning than turbidity:

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

Other hypernyms of turbidity include cloudiness, muddiness.

turbidity (noun)	murkiness (noun)
muddiness created by stirring up sediment or having foreign particles suspended	the quality of being cloudy
	an atmosphere in which visibility is reduced because of a cloud of some substance