recession vs shrinkage

recession

noun
  • The act or an instance of receding or withdrawing. 

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

  • 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. 

  • The act of ceding something back. 

shrinkage

noun
  • The act of shrinking, or the proportion by which something shrinks. 

  • The reduction in size of the male genitalia when cold, such as from immersion in cold water. 

  • The loss of merchandise through theft, spoilage, and obsolescence. 

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