analepsis vs backflash

analepsis

noun
  • A form of flashback in which earlier parts of a narrative are related to others that have already been narrated 

  • A kind of epileptic attack, originating from gastric disorder. 

  • Recovery of strength after sickness. 

backflash

noun
  • Synonym of flashback (“dramatic device”) 

  • The hazardous situation where the flame propagates backward down the hose of an oxyfuel welding and cutting system. 

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