joke vs laugh

joke and laugh both are nouns.

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

As nouns, joke and laugh are synonyms defined as:

joke and laugh: a humorous anecdote or remark intended to provoke laughter

Other synonyms of joke include gag, jape, jest.

joke (noun)	laugh (noun)
a ludicrous or grotesque act done for fun and amusement	the sound of laughing
activity characterized by good humor	a humorous anecdote or remark intended to provoke laughter
a triviality not to be taken seriously	a facial expression characteristic of a person laughing
a humorous anecdote or remark intended to provoke laughter

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