legion vs substantial

legion

adj
  • Numerous; vast; very great in number 

noun
  • The major unit or division of the Roman army, usually comprising 3000 to 6000 infantry soldiers and 100 to 200 cavalry troops. 

  • A combined arms major military unit featuring cavalry, infantry, and artillery, including historical units such as the British Legion, and present-day units such as the Spanish Legion and the French Foreign Legion. 

  • A large military or semi-military unit trained for combat; any military force; an army, regiment; an armed, organized and assembled militia. 

  • A national organization or association of former servicemen, such as the American Legion. 

  • A large number of people; a multitude. 

  • A great number. 

verb
  • To form into legions. 

substantial

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

  • 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. 

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

noun
  • Anything having substance; an essential part. 

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