foreguess vs surmise

foreguess

verb
  • To conjecture; assume. 

  • To forecast. 

  • To guess beforehand. 

  • To anticipate; expect. 

noun
  • A conjecture; an assumption. 

surmise

verb
  • To imagine or suspect; to conjecture; to posit with contestable premises. 

noun
  • Thought, imagination, or conjecture, which may be based upon feeble or scanty evidence; suspicion; guess. 

  • Reflection; thought; posit. 

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