foreguess vs illation

foreguess

noun
  • A conjecture; an assumption. 

verb
  • To forecast. 

  • To guess beforehand. 

  • To conjecture; assume. 

  • To anticipate; expect. 

illation

noun
  • The act of inferring or concluding, especially from a set of premises; a conclusion, a deduction. 

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