substantial vs trivial

substantial

adj
  • Not imaginary; real; actual; true; veritable. 

  • Most important; essential. 

  • Having a substance; actually existing. 

  • Corporeal; material; firm. 

  • Possessed of goods or an estate; moderately wealthy. 

  • Satisfying; having sufficient substance to be nourishing or filling. 

  • Large in size, quantity, or value; ample; significant. 

  • Having good substance; strong; stout; solid; firm. 

noun
  • Anything having substance; an essential part. 

trivial

adj
  • Indistinguishable in case of truth or falsity. 

  • Commonplace, ordinary. 

  • Pertaining to the trivium. 

  • Ignorable; of little significance or value. 

  • Relating to or designating the name of a species; specific as opposed to generic. 

  • Self-evident. 

  • Concerned with or involving trivia. 

  • Of, relating to, or being the simplest possible case. 

How often have the words substantial and trivial occurred in a corpus of books? (source: Google Ngram Viewer )