laugh vs joke

laugh and joke both are nouns.

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

As nouns, laugh and joke are synonyms defined as:

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

Other synonyms of laugh include gag, jape, jest.

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

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