fibromyositis vs rubor

fibromyositis and rubor both are nouns.

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

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

fibromyositis: local inflammation of muscle and connective tissue
rubor: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of fibromyositis include inflammation, redness.

fibromyositis (noun)	rubor (noun)
local inflammation of muscle and connective tissue	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat