neurectomy vs extirpation

neurectomy and extirpation both are nouns.

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

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

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

neurectomy (noun)	extirpation (noun)
surgical removal of all or part of a nerve	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence