cholecystitis vs inflammation

cholecystitis and inflammation both are nouns.

Word	Noun	Adjective	Verb	Adverb
cholecystitis	Yes	No	No	No
inflammation	Yes	No	No	No

As nouns, inflammation is a hypernym of cholecystitis; that is, inflammation is a word with a broader meaning than cholecystitis:

cholecystitis: inflammation of the gall bladder
inflammation: a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat

Other hypernyms of cholecystitis include redness, rubor.

cholecystitis (noun)	inflammation (noun)
inflammation of the gall bladder	arousal to violent emotion
	the act of setting something on fire
	a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat
	the state of being emotionally aroused and worked up