foredate vs precede

foredate

verb
  • To date before the true time; to antedate. 

precede

verb
  • To go before, go in front of. 

  • To have higher rank than (someone or something else). 

  • To cause to be preceded; to preface; to introduce. 

noun
  • Brief editorial preface (usually to an article or essay) 

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