happening vs latency

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. 

latency

noun
  • A delay, an interval between the initiation of something and the occurrence. 

  • The delay between a stimulus and the response it triggers in an organism. 

  • Concealment; the state of being latent; the state of being hidden. 

  • A stage in Sigmund Freud's psychoanalytic theory of the psychosexual development of children where children become asexual until their sexual desires come back at puberty. 

  • Dormancy; the state of being inactive. 

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