epicondylitis vs rubor

epicondylitis and rubor both are nouns.

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

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

epicondylitis: painful inflammation of the muscles and soft tissues around an epicondyle
rubor: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of epicondylitis include inflammation, redness.

epicondylitis (noun)	rubor (noun)
painful inflammation of the muscles and soft tissues around an epicondyle	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat