apposite vs substantial

apposite

noun
  • That which is apposite; something suitable. 

adj
  • Strikingly appropriate or relevant; well suited to the circumstance or in relation to something. 

  • Positioned at rest in respect to another, be it side-to-side, front-to-front, back-to-back, or even three-dimensionally: in apposition. 

  • Related, homologous. 

substantial

noun
  • Anything having substance; an essential part. 

adj
  • 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. 

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

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