crow's feet vs crease

crow's feet and crease both are nouns.

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

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

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

crow's feet (noun)	crease (noun)
a wrinkle in the skin at the outer corner of your eyes	a Malayan dagger with a wavy blade
	a slight depression or fold in the smoothness of a surface
	an angular or rounded shape made by folding

crow's feet (verb)	crease (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
	make wrinkled or creased
	scrape gently