septectomy vs ablation

septectomy and ablation both are nouns.

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

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

septectomy: surgical removal of all or part of a septum (especially the nasal septum or atrial septum)
ablation: surgical removal of a body part or tissue

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

septectomy (noun)	ablation (noun)
surgical removal of all or part of a septum (especially the nasal septum or atrial septum)	surgical removal of a body part or tissue
	the erosive process that reduces the size of glaciers