achromasia vs lividity

achromasia and lividity both are nouns.

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

As nouns, achromasia and lividity are synonyms defined as:

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

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

achromasia (noun)	lividity (noun)
unnatural lack of color in the skin (as from bruising or sickness or emotional distress)	unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
	a state of fury so great the face becomes discolored