cholecystectomy vs extirpation

cholecystectomy and extirpation both are nouns.

Word	Noun	Adjective	Verb	Adverb
cholecystectomy	Yes	No	No	No
extirpation	Yes	No	No	No

As nouns, extirpation is a hypernym of cholecystectomy; that is, extirpation is a word with a broader meaning than cholecystectomy:

cholecystectomy: surgical removal of the gall bladder (usually for relief of gallstone pain)
extirpation: surgical removal of a body part or tissue

Other hypernyms of cholecystectomy include ablation, cutting out, excision.

cholecystectomy (noun)	extirpation (noun)
surgical removal of the gall bladder (usually for relief of gallstone pain)	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence