As nouns the difference between rhytide and rhytids
is that rhytide is a wrinkle, typically a facial wrinkle secondary to muscular contraction patterns in the skin while rhytids is plural of rhytid.
rhytide
English
Noun
(
en noun)
A wrinkle, typically a facial wrinkle secondary to muscular contraction patterns in the skin.
References
* Emedecine: Facial Analysis for Skin Resurfacing