triviality vs physical object

triviality and physical object both are nouns.

Word	Noun	Adjective	Verb	Adverb
triviality	Yes	No	No	No
physical object	Yes	No	No	No

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

triviality: something of small importance
physical object: a tangible and visible entity; an entity that can cast a shadow

Other hypernyms of triviality include object.

triviality (noun)	physical object (noun)
something of small importance	a tangible and visible entity; an entity that can cast a shadow
the quality of being unimportant and petty or frivolous
a detail that is considered insignificant