crow's foot vs laugh line

crow's foot and laugh line both are nouns.

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

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

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

Other synonyms of crow's foot include crow's feet.

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