triviality vs frippery

triviality and frippery both are nouns.

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

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

Other hyponyms of triviality include bagatelle, fluff, frivolity.

triviality (noun)	frippery (noun)
something of small importance	something of little value or significance
the quality of being unimportant and petty or frivolous
a detail that is considered insignificant