crow's feet vs wrinkle

crow's feet and wrinkle both are nouns.

Word	Noun	Adjective	Verb	Adverb
crow's feet	Yes	No	No	No
wrinkle	Yes	No	Yes	No

As nouns, wrinkle is a hypernym of crow's feet; that is, wrinkle is a word with a broader meaning than crow's feet:

Other hypernyms of crow's feet include crease, crinkle, furrow, line, seam.

crow's feet (noun)	wrinkle (noun)
a wrinkle in the skin at the outer corner of your eyes	a clever method of doing something (especially something new and different)
	a minor difficulty
	a slight depression or fold in the smoothness of a surface

crow's feet (verb)	wrinkle (verb)
	become wrinkled or crumpled or creased
	make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; `crisp' is archaic
	gather or contract into wrinkles or folds; pucker
	make wrinkled or creased