dormancy vs latency

dormancy

noun
  • The state or characteristic of being dormant; quiet, inactive restfulness. 

latency

noun
  • Dormancy; the state of being inactive. 

  • 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. 

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