splenitis vs rubor

splenitis and rubor both are nouns.

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

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

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

Other hypernyms of splenitis include inflammation, redness.

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