grow vs modulate

grow

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

  • To appear or sprout. 

  • To become larger, to increase in magnitude. 

  • To undergo growth; to be present (somewhere) 

  • To develop, to mature. 

  • To assume a condition or quality over time. 

modulate

verb
  • To regulate, adjust or adapt 

  • To change the pitch, intensity or tone of one's voice or of a musical instrument 

  • to vary the amplitude, frequency or phase of a carrier wave in proportion to the amplitude etc of a source wave (such as speech or music) 

  • to move from one key or tonality to another, especially by using a chord progression 

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