recession vs unemployment

recession

noun
  • A period of reduced economic activity 

  • 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. 

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

  • The act of ceding something back. 

unemployment

noun
  • A type of joblessness due to a particular economic mechanism. 

  • An instance or period of joblessness. 

  • The level of joblessness in an economy, often measured as a percentage of the workforce. 

  • The state of having no job; joblessness. 

  • The phenomenon of joblessness in an economy. 

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