triviality vs frivolity

triviality and frivolity both are nouns.

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

As nouns, frivolity is a hyponym of triviality; that is, frivolity is a word with a more specific, narrower meaning than triviality:

Other hyponyms of triviality include bagatelle, fluff, frippery.

triviality (noun)	frivolity (noun)
something of small importance	acting like a clown or buffoon
the quality of being unimportant and petty or frivolous	something of little value or significance
a detail that is considered insignificant	the trait of being frivolous; not serious or sensible