grow vs impoverish

grow

verb
  • To undergo growth; to be present (somewhere) 

  • To appear or sprout. 

  • To become larger, to increase in magnitude. 

  • To develop, to mature. 

  • To cause or allow something to become bigger, especially to cultivate plants. 

  • To assume a condition or quality over time. 

impoverish

verb
  • To become poor. 

  • To make poor. 

  • To weaken in quality; to deprive of some strength or richness. 

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