purity vs whiteness

purity and whiteness both are nouns.

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

As nouns, purity and whiteness are synonyms defined as:

purity and whiteness: the state of being unsullied by sin or moral wrong; lacking a knowledge of evil

Other synonyms of purity include innocence, pureness, sinlessness.

purity (noun)	whiteness (noun)
a woman's virtue or chastity	the quality or state of the achromatic color of greatest lightness (bearing the least resemblance to black)
being undiluted or unmixed with extraneous material	lightness or fairness of complexion
the state of being unsullied by sin or moral wrong; lacking a knowledge of evil	the state of being unsullied by sin or moral wrong; lacking a knowledge of evil