frippery vs triviality

frippery and triviality both are nouns.

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

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

Other hypernyms of frippery include small beer, trifle, trivia.

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