laugh line vs joke

laugh line and joke both are nouns.

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

laugh line (noun)	joke (noun)
the point of a joke or humorous story	a ludicrous or grotesque act done for fun and amusement
a wrinkle in the skin at the outer corner of your eyes	activity characterized by good humor
	a triviality not to be taken seriously
	a humorous anecdote or remark intended to provoke laughter

laugh line (verb)	joke (verb)
	act in a funny or teasing way
	tell a joke; speak humorously