quitting vs recession

quitting

noun
  • The deliberate ending of something. 

  • The ceasing of a habit, especially smoking cigarettes or other addictive behaviors. 

  • The termination of employment, initiated by the employee. 

recession

noun
  • The act of ceding something back. 

  • A procedure in which an extraocular muscle is detached from the globe of the eye and reattached posteriorly. 

  • The act or an instance of receding or withdrawing. 

  • A period of low temperatures that causes a reduction in species; ice age. 

  • A period of reduced economic activity 

  • The ceremonial filing out of clergy and/or choir at the end of a church service. 

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