lividness vs pallidness

lividness and pallidness both are nouns.

Word	Noun	Adjective	Verb	Adverb
lividness	Yes	No	No	No
pallidness	Yes	No	No	No

As nouns, lividness and pallidness are synonyms defined as:

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

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

lividness (noun)	pallidness (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)