beast vs substantial

beast

adj
  • great; excellent; powerful 

verb
  • to engage in sexual intercourse, particularly in an illicit context 

  • to impose arduous exercises, either as training or as punishment. 

noun
  • Someone who is particularly impressive, especially athletically or physically. 

  • A monstrously unusual and dangerous animal. 

  • Any animal other than a human; usually only applied to land vertebrates, especially large or dangerous four-footed ones. 

  • Anything regarded as larger or more powerful than one of its normal size or strength. 

  • A person who behaves in a violent, antisocial or uncivilized manner. 

  • A domestic animal, especially a bovine farm animal. 

  • A sex offender. 

  • Something unpleasant and difficult. 

  • A thing or matter, especially a difficult or unruly one. 

substantial

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

  • Most important; essential. 

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

  • 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. 

noun
  • Anything having substance; an essential part. 

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