appendectomy vs ablation

appendectomy and ablation both are nouns.

Word	Noun	Adjective	Verb	Adverb
appendectomy	Yes	No	No	No
ablation	Yes	No	No	No

As nouns, ablation is a hypernym of appendectomy; that is, ablation is a word with a broader meaning than appendectomy:

Other hypernyms of appendectomy include cutting out, excision, extirpation.

appendectomy (noun)	ablation (noun)
surgical removal of the vermiform appendix	surgical removal of a body part or tissue
	the erosive process that reduces the size of glaciers