triviality vs slightness

triviality and slightness both are nouns.

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

As nouns, triviality and slightness are synonyms defined as:

triviality and slightness: the quality of being unimportant and petty or frivolous

Other synonyms of triviality include pettiness, puniness.

triviality (noun)	slightness (noun)
something of small importance	slenderness
the quality of being unimportant and petty or frivolous	the property of an attractively thin person
a detail that is considered insignificant	the quality of being unimportant and petty or frivolous