aortitis vs rubor

aortitis and rubor both are nouns.

Word	Noun	Adjective	Verb	Adverb
aortitis	Yes	No	No	No
rubor	Yes	No	No	No

As nouns, rubor is a hypernym of aortitis; that is, rubor is a word with a broader meaning than aortitis:

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

Other hypernyms of aortitis include inflammation, redness.

aortitis (noun)	rubor (noun)
inflammation of the aorta	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat