good story vs joke

good story and joke both are nouns.

Word	Noun	Adjective	Verb	Adverb
good story	Yes	No	No	No
joke	Yes	No	Yes	No

As nouns, joke is a hypernym of good story; that is, joke is a word with a broader meaning than good story:

Other hypernyms of good story include gag, jape, jest, laugh.

good story (noun)	joke (noun)
an account of an amusing incident (usually with a punch line)	a ludicrous or grotesque act done for fun and amusement
	activity characterized by good humor
	a triviality not to be taken seriously
	a humorous anecdote or remark intended to provoke laughter

good story (verb)	joke (verb)
	act in a funny or teasing way
	tell a joke; speak humorously