rhinoplasty vs cosmetic surgery

rhinoplasty and cosmetic surgery both are nouns.

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

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

rhinoplasty: cosmetic surgery to improve the appearance of your nose
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

Other hypernyms of rhinoplasty include face lift, face lifting, facelift, lift, nip and tuck, rhytidectomy, rhytidoplasty.

rhinoplasty (noun)	cosmetic surgery (noun)
cosmetic surgery to improve the appearance of your nose	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