neuritis vs redness

neuritis and redness both are nouns.

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

As nouns, redness is a hypernym of neuritis; that is, redness is a word with a broader meaning than neuritis:

neuritis: inflammation of a nerve accompanied by pain and sometimes loss of function
redness: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of neuritis include inflammation, rubor.

neuritis (noun)	redness (noun)
inflammation of a nerve accompanied by pain and sometimes loss of function	red color or pigment; the chromatic color resembling the hue of blood
	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat