wrinkle vs laugh line

wrinkle and laugh line both are nouns.

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

As nouns, laugh line is a hyponym of wrinkle; that is, laugh line is a word with a more specific, narrower meaning than wrinkle:

wrinkle (noun)	laugh line (noun)
a clever method of doing something (especially something new and different)	the point of a joke or humorous story
a minor difficulty	a wrinkle in the skin at the outer corner of your eyes
a slight depression or fold in the smoothness of a surface

wrinkle (verb)	laugh line (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