thrombectomy vs extirpation

thrombectomy and extirpation both are nouns.

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

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

thrombectomy: surgical removal of a blood clot (thrombus) from a blood vessel
extirpation: surgical removal of a body part or tissue

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

thrombectomy (noun)	extirpation (noun)
surgical removal of a blood clot (thrombus) from a blood vessel	surgical removal of a body part or tissue
	the act of pulling up or out; uprooting; cutting off from existence