tenonitis vs rubor

tenonitis and rubor both are nouns.

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

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

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

Other hypernyms of tenonitis include inflammation, redness.

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