anachronism vs prolepsis

anachronism

noun
  • A person or thing which seems to belong to a different time or period of time. 

  • A chronological mistake; the erroneous dating of an event, circumstance, or object. 

  • The aberrant projection of the present onto the past. 

prolepsis

noun
  • The assignment of something to a period of time that precedes it. 

  • Growth in which lateral branches develop from a lateral meristem, after the formation of a bud or following a period of dormancy, when the lateral meristem is split from a terminal meristem. 

  • A construction that consists of placing an element in a syntactic unit before that to which it would logically correspond. 

  • The anticipation of an objection to an argument. 

  • A so-called "preconception", i.e. a pre-theoretical notion which can lead to true knowledge of the world. 

  • The practice of placing information about the ending of a story near the beginning, as a literary device. 

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