frown line vs wrinkle

frown line and wrinkle both are nouns.

Word	Noun	Adjective	Verb	Adverb
frown line	Yes	No	No	No
wrinkle	Yes	No	Yes	No

As nouns, wrinkle is a hypernym of frown line; that is, wrinkle is a word with a broader meaning than frown line:

Other hypernyms of frown line include crease, crinkle, furrow, line, seam.

frown line (noun)	wrinkle (noun)
a facial wrinkle associated with frowning	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

frown line (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