laminitis vs redness

laminitis and redness both are nouns.

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

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

laminitis: inflammation of the laminated tissue that attaches the hoof to the foot of a horse
redness: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of laminitis include inflammation, rubor.

laminitis (noun)	redness (noun)
inflammation of the laminated tissue that attaches the hoof to the foot of a horse	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