cholecystectomy vs cutting out

cholecystectomy and cutting out both are nouns.

Word	Noun	Adjective	Verb	Adverb
cholecystectomy	Yes	No	No	No
cutting out	Yes	No	No	No

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

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

Other hypernyms of cholecystectomy include ablation, excision, extirpation.

cholecystectomy (noun)	cutting out (noun)
surgical removal of the gall bladder (usually for relief of gallstone pain)	surgical removal of a body part or tissue