ovaritis vs redness

ovaritis and redness both are nouns.

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

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

ovaritis: inflammation of the ovaries
redness: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of ovaritis include inflammation, rubor.

ovaritis (noun)	redness (noun)
inflammation of the ovaries	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