whiteness vs cleanness

whiteness and cleanness both are nouns.

Word	Noun	Adjective	Verb	Adverb
whiteness	Yes	No	No	No
cleanness	Yes	No	No	No

As nouns, cleanness is a hyponym of whiteness; that is, cleanness is a word with a more specific, narrower meaning than whiteness:

whiteness: the state of being unsullied by sin or moral wrong; lacking a knowledge of evil
cleanness: without moral defects

whiteness (noun)	cleanness (noun)
the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black)	the state of being clean; without dirt or other impurities
lightness or fairness of complexion	without moral defects
the state of being unsullied by sin or moral wrong; lacking a knowledge of evil