radiculitis vs rubor

radiculitis and rubor both are nouns.

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

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

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

Other hypernyms of radiculitis include inflammation, redness.

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