happening vs unemployment

happening

noun
  • Something that happens. 

  • A spontaneous or improvised event, especially one that involves audience participation. 

adj
  • Trendy, up-to-the-minute. 

  • Busy, lively; vibrant, dynamic; fashionable. 

unemployment

noun
  • 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. 

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

  • The phenomenon of joblessness in an economy. 

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