rhytidectomy vs anaplasty

rhytidectomy and anaplasty both are nouns.

Word	Noun	Adjective	Verb	Adverb
rhytidectomy	Yes	No	No	No
anaplasty	Yes	No	No	No

As nouns, anaplasty is a hypernym of rhytidectomy; that is, anaplasty is a word with a broader meaning than rhytidectomy:

rhytidectomy: plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised
anaplasty: surgery concerned with therapeutic or cosmetic reformation of tissue

Other hypernyms of rhytidectomy include plastic surgery, reconstructive surgery.

rhytidectomy (noun)	anaplasty (noun)
plastic surgery to remove wrinkles and other signs of aging from your face; an incision is made near the hair line and skin is pulled back and excess tissue is excised	surgery concerned with therapeutic or cosmetic reformation of tissue