achromasia vs paleness

achromasia and paleness both are nouns.

Word	Noun	Adjective	Verb	Adverb
achromasia	Yes	No	No	No
paleness	Yes	No	No	No

As nouns, achromasia and paleness are synonyms defined as:

achromasia and paleness: unnatural lack of color in the skin (as from bruising or sickness or emotional distress)

Other synonyms of achromasia include lividity, lividness, luridness, pallidness, pallor, wanness.

achromasia (noun)	paleness (noun)
unnatural lack of color in the skin (as from bruising or sickness or emotional distress)	being deficient in color
	the property of having a naturally light complexion
	unnatural lack of color in the skin (as from bruising or sickness or emotional distress)