endarterectomy vs cutting out

endarterectomy and cutting out both are nouns.

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

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

endarterectomy: surgical removal of the inner lining of an artery that is clogged with atherosclerosis
cutting out: surgical removal of a body part or tissue

Other hypernyms of endarterectomy include ablation, excision, extirpation.

endarterectomy (noun)	cutting out (noun)
surgical removal of the inner lining of an artery that is clogged with atherosclerosis	surgical removal of a body part or tissue