extensive vs poor

extensive

adj
  • Serving to extend or lengthen; characterized by extension. 

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

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

  • Considerable in amount. 

poor

verb
  • Synonym of impoverish, to make poor. 

noun
  • A poor person. 

  • The poor people of a society or the world collectively, the poor class of a society. 

adj
  • Deficient in a specified way. 

  • Of low quality. 

  • Inadequate, insufficient. 

  • Free from self-assertion; not proud or arrogant; meek. 

  • Used to express pity. 

  • With no or few possessions or money, particularly in relation to contemporaries who do have them. 

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