tracheobronchitis vs rubor

tracheobronchitis and rubor both are nouns.

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

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

tracheobronchitis: common respiratory infection characterized by inflammation of the trachea and the bronchi
rubor: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of tracheobronchitis include inflammation, redness.

tracheobronchitis (noun)	rubor (noun)
common respiratory infection characterized by inflammation of the trachea and the bronchi	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat