laugh line vs crow's foot

laugh line and crow's foot both are nouns.

Word	Noun	Adjective	Verb	Adverb
laugh line	Yes	No	No	No
crow's foot	Yes	No	No	No

As nouns, laugh line and crow's foot are synonyms defined as:

laugh line and crow's foot: a wrinkle in the skin at the outer corner of your eyes

Other synonyms of laugh line include crow's feet.

laugh line (noun)	crow's foot (noun)
the point of a joke or humorous story	large tree of Australasia
a wrinkle in the skin at the outer corner of your eyes	a wrinkle in the skin at the outer corner of your eyes