dermabrasion vs removal

dermabrasion and removal both are nouns.

Word	Noun	Adjective	Verb	Adverb
dermabrasion	Yes	No	No	No
removal	Yes	No	No	No

As nouns, removal is a hypernym of dermabrasion; that is, removal is a word with a broader meaning than dermabrasion:

dermabrasion: removal of scars or tattoos by anesthetizing the skin surface and then sanding or scraping off some of the outer skin layer
removal: the act of removing

Other hypernyms of dermabrasion include remotion.

dermabrasion (noun)	removal (noun)
removal of scars or tattoos by anesthetizing the skin surface and then sanding or scraping off some of the outer skin layer	the act of removing
	dismissal from office