hysterectomy vs ablation

hysterectomy and ablation both are nouns.

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

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

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

hysterectomy (noun)	ablation (noun)
surgical removal of the uterus	surgical removal of a body part or tissue
	the erosive process that reduces the size of glaciers