cosmetic surgery vs anaplasty

cosmetic surgery and anaplasty both are nouns.

Word	Noun	Adjective	Verb	Adverb
cosmetic surgery	Yes	No	No	No
anaplasty	Yes	No	No	No

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

cosmetic surgery: 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 cosmetic surgery include plastic surgery, reconstructive surgery.

cosmetic surgery (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