vasectomy vs ablation

vasectomy and ablation both are nouns.

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

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

vasectomy: surgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible
ablation: surgical removal of a body part or tissue

Other hypernyms of vasectomy include cutting out, excision, extirpation, surgical contraception.

vasectomy (noun)	ablation (noun)
surgical procedure that removes all or part of the vas deferens (usually as a means of sterilization); is sometimes reversible	surgical removal of a body part or tissue
	the erosive process that reduces the size of glaciers