doot vs hazard a guess

doot

verb
  • think 

  • to scan 

  • to tap a card 

  • doubt 

noun
  • doubt 

  • beep (electronically-produced tone) 

hazard a guess

verb
  • To make a guess; to guess. 

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