joke vs triviality

joke and triviality both are nouns.

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

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

Other hypernyms of joke include pettiness, puniness, slightness.

joke (noun)	triviality (noun)
a ludicrous or grotesque act done for fun and amusement	something of small importance
activity characterized by good humor	the quality of being unimportant and petty or frivolous
a triviality not to be taken seriously	a detail that is considered insignificant
a humorous anecdote or remark intended to provoke laughter

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