sigmoidectomy vs cutting out

sigmoidectomy and cutting out both are nouns.

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

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

sigmoidectomy: surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor)
cutting out: surgical removal of a body part or tissue

Other hypernyms of sigmoidectomy include ablation, excision, extirpation.

sigmoidectomy (noun)	cutting out (noun)
surgical removal of part or all of the sigmoid colon (usually to remove a malignant tumor)	surgical removal of a body part or tissue