redness vs cerise

redness and cerise both are nouns.

Word	Noun	Adjective	Verb	Adverb
redness	Yes	No	No	No
cerise	Yes	Yes	No	No

As nouns, cerise is a hyponym of redness; that is, cerise is a word with a more specific, narrower meaning than redness:

redness: red color or pigment; the chromatic color resembling the hue of blood
cerise: a red the color of ripe cherries

redness (noun)	cerise (noun)
red color or pigment; the chromatic color resembling the hue of blood	a red the color of ripe cherries
a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

redness (adjective)	cerise (adjective)
	of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies