ophthalmectomy vs extirpation

ophthalmectomy and extirpation both are nouns.

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

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

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

ophthalmectomy (noun)	extirpation (noun)
surgical removal of an eye	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence