doot vs take a stab at

doot

verb
  • think 

  • to scan 

  • to tap a card 

  • doubt 

noun
  • doubt 

  • beep (electronically-produced tone) 

take a stab at

verb
  • To guess. 

  • Used other than figuratively or idiomatically: see take, stab. 

  • To attempt or try. 

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