lividity vs luridness

lividity and luridness both are nouns.

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

As nouns, lividity and luridness are synonyms defined as:

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

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

lividity (noun)	luridness (noun)
unnatural lack of color in the skin (as from bruising or sickness or emotional distress)	the quality of being ghastly
a state of fury so great the face becomes discolored	unnatural lack of color in the skin (as from bruising or sickness or emotional distress)
	the journalistic use of subject matter that appeals to vulgar tastes