extensive vs prodigious

extensive

adj
  • Having a great extent; covering a large area; vast. 

  • Serving to extend or lengthen; characterized by extension. 

  • Having a combined system entropy that equals the sum of the entropies of the independent systems. 

  • Considerable in amount. 

prodigious

adj
  • Very big in size or quantity; colossal, gigantic, huge. 

  • Extraordinarily amazing or exciting. 

  • Freakish; monstrous. 

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