rhinoplasty vs rhytidectomy

rhinoplasty and rhytidectomy both are nouns.

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

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

rhinoplasty: cosmetic surgery to improve the appearance of your nose
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

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

rhinoplasty (noun)	rhytidectomy (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