break-off vs latency

break-off

noun
  • A break, discontinuance, or interruption 

  • That which breaks off, or is broken off 

  • The first shot in a game of snooker or other cue-game 

verb
  • To play the first shot in a game of snooker 

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 break-off and latency occurred in a corpus of books? (source: Google Ngram Viewer )