anger vs modulate

anger

noun
  • A strong feeling of displeasure, hostility or antagonism towards someone or something, usually combined with an urge to harm, often stemming from perceived provocation, hurt, or threat. 

verb
  • To become angry. 

  • To cause such a feeling of antagonism in. 

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 anger and modulate occurred in a corpus of books? (source: Google Ngram Viewer )